单词 | kinetic energy |
例句 | It keeps spinning faster—all that kinetic energy forced down the neck of the funnel until it’s blaring like an alarm—then it falls silent as it drops into the black abyss of the funnel. Challenger Deep 2015-04-15T00:00:00Z And I didn’t know that the enthalpy decrease in a converging passage could be transformed into jet kinetic energy if a divergent passage was added. October Sky 1999-04-01T00:00:00Z I’m that coin on its way down, screaming in the neck of the funnel, with nothing but my own kinetic energy and centrifugal force keeping me from dropping into darkness. Challenger Deep 2015-04-15T00:00:00Z But it bristled with Lawrence’s self-confidence and his manner of intuitively grasping possibilities well ahead of realities—in this case, the production of sustained resonant proton beams with a million volts of kinetic energy. Big Science 2015-07-07T00:00:00Z She smiles, and, in the film’s best shot, begins to lean into a kiss that hints at the kinetic energy that is lacking in both Étienne’s life and this movie. Review: University Spoils a Cinephile in ‘A Paris Education’ 2018-08-30T04:00:00Z His current role, as the improbably named Rose, friend and drug dealer to the stoner hero played by Jesse Eisenberg in the action comedy “American Ultra,” tapped a similarly kinetic energy. A Day Out in the Boxing Gym With John Leguizamo 2015-08-21T04:00:00Z The book flows with kinetic energy, wit and wisdom. In Two Memoirs, the Scars of Childhood Trauma Run Deep 2020-08-18T04:00:00Z Through Alberti’s virtuosity, Coogler captures the magic moment of transformation from potential to kinetic energy, from preparation to execution, from near-amateur to true professional. “Creed” Is a Knockout 2015-11-24T05:00:00Z I oscillated between guilt and pragmatism, and that movement, that kinetic energy, helped drive the little engine of endurance. IVF: 'I had the dread feeling that I was part of some greater experiment' 2016-05-06T04:00:00Z Lucy, a loopy blast of kinetic energy, is perfect modern multiplex fodder. Luc Besson: 'You can't imagine how many people ask me for a Léon sequel' 2014-08-15T04:00:00Z But in his new show at Greg Kucera Gallery, he’s outdone himself with the crazed kinetic energy he brings to the canvas. Roger Shimomura’s ‘American Knockoff’ is satire at its best 2013-09-05T20:40:40Z “We’ve all looked at them and said there’s a kinetic energy going on that wasn’t there before,” he said. Old Masters in New Places as the Met Lets in the Light 2018-04-03T04:00:00Z Mr. Bataillon’s camera does a felicitous job of catching the kinetic energy of Mr. Morris’s dances. Mark Morris’s Transcendent ‘Il Allegro,’ Captured on Film for PBS 2015-03-25T04:00:00Z Back in the day, Be Your Own Pet shows were full of so much kinetic energy and onstage acrobatics, the band often whipped through a whole set in a 30-minute fury. After 15 Years, the Nashville Punks Be Your Own Pet Are Roaring Back 2023-05-31T04:00:00Z She pushed the tempo along in fast movements, but not to excess — there was just a lot of kinetic energy being thrown off. Engaging D.C. debut from young Chinese pianist 2015-04-27T04:00:00Z He covered the screen with kinetic energy; bleached-out shots, spliced images, pattern on pattern. Tony Scott remembered by Keira Knightley 2012-12-22T22:15:01Z As you’re swept up in the immersive motion, the kinetic energy, you notice the passing beauty of the images, their compositional elegance. ‘Waves’ Review: The Shattering Ebb and Flow of Family Life 2019-11-14T05:00:00Z Mr. Chalfant’s photography froze the trains in place, but not the kinetic energy of the art. ‘I Have to Get That’: How Henry Chalfant Became a Graffiti Ambassador 2019-10-03T04:00:00Z For all the kinetic energy of the staging, the story seems stalled — like Dee with her revenge, on the verge of action but not taking it just yet. Review: In ‘The Wholehearted,’ Old Wounds Feel Angry and New 2018-03-18T04:00:00Z It’s not easy for a writer to maintain the intense kinetic energy that runs throughout “The Travelers.” Review: In ‘The Travelers,’ Danger at Every Destination 2016-03-15T04:00:00Z He was best known for evoking the kinetic energy of the world's biggest sporting and leisure events with bright quick strokes. LeRoy Neiman dies aged 91 2012-06-21T03:09:03Z If Fitz and The Tantrums can infuse this kind of raw, kinetic energy into future studio albums, global success may be on the horizon. Fitz and the Tantrums throw down at the Showbox 2012-01-22T02:00:06Z Messud isn’t a writer who grabs her subject matter by the throat or pumps her prose full of kinetic energy. Claire Messud Looks Back on Life, and the Art That Shaped Her 2020-10-13T04:00:00Z The cast zips around the vast carpeted stage with kinetic energy, but what’s missing is any strong point of view. | 'Teorema': ?Teorema? Goes From Film to Stage at Lincoln Center 2010-07-16T22:36:00Z He captures Wain's kinetic energy with his fast-talking, spasmodic swimming, and unkempt hair. Celebrating Benedict Cumberbatch's best movie misfits 2022-03-26T04:00:00Z When he went into his signature “duck walk,” his legs seemed to be made of rubber, and his whole body moved with clocklike precision — the visual statement of his music’s kinetic energy. Chuck Berry, wild man of rock who helped define its rebellious spirit, dies at 90 2017-03-18T04:00:00Z In short: lots of energy is to be expected from the Flash, which is fitting, considering that his superpower trades in kinetic energy. What We Learned From Reports of a 'Justice League' Set Visit 2016-06-21T04:00:00Z The men remain frozen even as a herd of white horses gallops into frame, moving with the camera in exalted kinetic energy. ‘Red Moon Tide’ Review: A Village Paralyzed in Grief 2021-04-20T04:00:00Z Her mind moves just as nimbly from an appraisal of Gottfried Leibniz to a discussion of “living force,” a scientific concept for kinetic energy first developed by Leibniz and later elaborated upon by Emilie. ‘Emilie’ Review: Defending, and Defining, a Life 2023-04-18T04:00:00Z Lewis’s words spill out in kaleidoscopic fashion, accompanied by bursts of kinetic energy. Juliette Lewis, an ‘Imagination Freak Fairy,’ Knows Her Worth 2021-12-27T05:00:00Z With the rest of his kinetic energy, he played cricket. Stage Fright: Stuart Shugg of the Trisha Brown Dance Company 2013-01-24T20:52:30Z Megan Sandberg-Zakian’s direction brings little kinetic energy or surprise to the proceedings, even when Turner works what appears to be a bona fide miracle. Review: ‘Nat Turner in Jerusalem,’ an Avatar of Divine Vengeance 2016-09-26T04:00:00Z The style of his paintings evoked the kinetic energy of sport and its leading participants, like former tennis professional Gabriela Sabatini. In pictures: LeRoy Neiman 2012-06-21T10:33:14Z The novel’s fizzy language is an improvement over that employed in “Widow,” but it too lacks the kinetic energy and raw, edgy poetry of Mr. Amis’s finest work. Books of The Times: ‘Lionel Asbo: State of England’ by Martin Amis 2012-08-19T18:59:48Z Another work from the same year depicts the sun and its reflection as a mix of short and sweeping lines, creating a kinetic energy. Fifty Years of Lee Bontecou's Surreal Drawings 2014-02-06T05:00:00Z “There’s kind of an endless possibility of the kinetic energy of live music or live theater.” ‘The Irishman’ on Broadway: Phone Booths, Broadsheets and Jimmy Hoffa Stickers 2019-11-04T05:00:00Z For all the talk of life forces, however, there’s a lack of kinetic energy between the elder marquise and Voltaire, who is reduced to a concupiscent kibitzer with a string of chronic ailments. ‘Emilie’ Review: Defending, and Defining, a Life 2023-04-18T04:00:00Z But Rabbit Snare Gorge injects the island’s static saltbox vernacular with sudden kinetic energy, an argument for the 20th-century theory that evolution happens not gradually, as Charles Darwin suggested, but in dramatic bursts. In Nova Scotia, Homes as Wild as the Landscape Around Them 2020-02-03T05:00:00Z And where Vivian Girls’ kinetic energy carried harmonies that were occasionally dissonant, tempos too fast, recordings ramshackle, La Sera — Italian for “the evening” — is clean and confident, only really aggressive in its eagerness to please. La Sera's ‘Hour of the Dawn' sugary and jagged | New recordings 2014-05-13T04:00:00Z True kinetic energy doesn’t come to “Rocky” until very late in the game, when our hero finally meets Apollo in the match that ends the show. Theater Review: ‘Rocky,’ the Musical, Brings Songs to a Film Story 2014-03-14T02:00:03Z Using the modified CNN-GradCAM framework, they examined intermittent ejection events, which are known to influence the generation of turbulent kinetic energy within boundary layers. Engineering study employs deep learning to explain extreme events 2023-10-02T04:00:00Z As laser light is converted to x-rays and then into kinetic energy, just 13% of the laser’s energy reaches the fusion fuel. Laser-fusion experiment squeezes out even more energy 2023-10-01T04:00:00Z "Measuring the effective mean free path of the electrons is very challenging in the low kinetic energy region, as was done in this study, added Yin. " Intense lasers shine new light on the electron dynamics of liquids 2023-09-29T04:00:00Z Gabor explained that when electrons gain kinetic energy they heat up. Electrons take flight at the nanoscale 2023-09-19T04:00:00Z Another 2-year-old-boy, who had left the day care shortly after noon, was taken to a hospital after his mother noticed that an unusual lethargy had replaced the normal kinetic energy of a toddler. Police questioning person in suspected opioid death at NYC day care 2023-09-16T04:00:00Z Create floral fabric with some kinetic energy in flower pounding — smashing petals into undyed natural fabric with a hammer. Decorate your home using materials that come straight from the garden 2023-09-15T04:00:00Z A wind turbine alongside Father Time at Lord's, or kinetic energy created by those walking to the top of Old Trafford's temporary stand? Was Edgbaston's eco-T20 a glimpse to cricket's future? 2023-09-03T04:00:00Z The Steel And Foam Energy Reduction Barrier was designed to absorb and reduce kinetic energy during high-speed crashes. Head-and-neck restraints and soft walls top list of NASCAR’s biggest safety improvements 2023-08-30T04:00:00Z The abrupt impact converts the animal’s kinetic energy from falling into other forms of energy, which can lead to broken bones, collapsed lungs, and worse. Why Do Cats Land on Their Feet? Physics Explains 2023-07-24T04:00:00Z One way to understand Dirac points is to study a plot of the energy of different bands versus an electron's momentum— a property associated with the particle's kinetic energy. Physicists Make Matter out of Light to Find Quantum Singularities 2023-06-18T04:00:00Z A key focus has been on the blades that catch the wind’s kinetic energy, with technological improvements, including 3D printing, enabling blades to be built longer and lighter for greater efficiency. Technology: Powering the Future of Energy 2023-06-11T04:00:00Z Over one five-year stretch, I poured hundreds of hours into the irradiated wasteland of Fallout 3; the cutthroat frontier of Red Dead Redemption; and the drug-addled kinetic energy of Far Cry 3. The Mysteries of Zelda 2023-05-13T04:00:00Z “Using that kinetic energy to work all the way up through your body and just get more oomph on the ball.” Will M’s decision to stick with J.P. Crawford at shortstop pay off? 2023-03-02T05:00:00Z Tesla also said that the Semi would use its regenerative braking to recapture kinetic energy to improve efficiency. Musk unveils Tesla Semi trucks at Nevada factory 2022-12-02T05:00:00Z Mr Danyliuk stressed that even a missile armed with a non-explosive warhead "posed a significant danger" because of its kinetic energy and fuel residues. Ukraine war: Kyiv displays Russian nuclear-capable missile 2022-12-01T05:00:00Z Even so, the missile presented a degree of danger because of its kinetic energy and fuel, he said. Ukraine says Russia 'distracting' air defences with dud nuclear-capable missiles 2022-12-01T05:00:00Z The British defense ministry said a ballast was probably being substituted for the warheads, a system that will still produce damage through the missile's kinetic energy and unspent fuel. Russia firing unarmed missiles to deplete Ukraine air defense, says U.S. military official 2022-11-29T05:00:00Z In the Italian mountain town of Borno, in Lombardy, cyclists on stationary bikes will provide power to the town’s Christmas tree by fueling batteries with kinetic energy. Sober or bright? Europe faces holidays during energy crunch 2022-11-26T05:00:00Z In the Italian mountain town of Borno, in Lombardy, cyclists will provide power to the town’s Christmas tree by fueling batteries with kinetic energy. Sober or bright? Europe faces holidays during energy crunch 2022-11-25T05:00:00Z Such a system will still produce damage through the missile's kinetic energy and unspent fuel. Britain says Russia likely removing nuclear warheads from missiles and firing at Ukraine 2022-11-26T05:00:00Z It's biggest innovation was allowing the audience to roam the studio floor, instead of sitting attentively in tiered seating, giving the show the kinetic energy of a concert. An incomplete history of pop on BBC television 2022-11-25T05:00:00Z Irving’s portrayal of a shooting in a crowded venue, for instance, is rendered with such visual acuity and kinetic energy that I’d swear I saw it rather than read it. Review | John Irving’s ‘The Last Chairlift’ is more of the same. A lot more. 2022-10-12T04:00:00Z Interstellar gas and dust particles deposit a kinetic energy per unit mass that exceeds the output of chemical explosives at the speed of tens of kilometers per second characterizing rockets. Physicist Avi Loeb: UFOs over Ukraine are not as weird as they seem 2022-10-09T04:00:00Z The work done by the floor reduces this kinetic energy to zero. College Physics for AP Courses 2015-08-12T00:00:00Z The average kinetic energy of the gas molecules is proportional to the kelvin temperature of the gas. Chemistry 2019-02-14T00:00:00Z Potential energy stored in the water held by the dam will convert to kinetic energy when it falls through the opening of the sluice. Biology for AP Courses 2022-06-09T00:00:00Z Pushing on the air slows down the spacecraft, turning the kinetic energy of the spacecraft into heat. Astronomy 2016-10-13T00:00:00Z It is the kinetic energy from this multi-bladed weapon's speed that causes the destruction, as they slice through whatever they hit and minimises collateral damage. Ayman al-Zawahiri: How US spies found al-Qaeda's top man in Kabul 2022-08-02T04:00:00Z Figure 7.7 The work done by the ground upon the kangaroo reduces its kinetic energy to zero as it lands. College Physics for AP Courses 2015-08-12T00:00:00Z To deal with a large number of gas molecules, we use averages for both speed and kinetic energy. Chemistry 2019-02-14T00:00:00Z For example, objects in motion possess kinetic energy, whereas objects that are not in motion possess potential energy. Biology for AP Courses 2022-06-09T00:00:00Z In the Sun, the source of kinetic energy is the churning of turbulent layers of ionized gas within the Sun’s interior that we mentioned earlier. Astronomy 2016-10-13T00:00:00Z At what rate is the rocket’s kinetic energy changing when the mass is 2000 kg and the velocity is 5000 m/sec? Calculus, Volume 1 2016-03-30T00:00:00Z Describe and graph what happens to the kinetic energy of a cart as it goes through the first full period of the track. College Physics for AP Courses 2015-08-12T00:00:00Z The average kinetic energy for a mole of particles, KEavg, is then equal to: Chemistry 2019-02-14T00:00:00Z The suspended wrecking ball has energy associated with it that is fundamentally different from the kinetic energy of objects in motion. Biology for AP Courses 2022-06-09T00:00:00Z If the ball were to fall, the potential energy would be transformed into kinetic energy until all of the potential energy was exhausted when the ball rested on the ground. Environmental Biology 2018-09-06T00:00:00Z The energy it takes to lift and place one brick atop another is kinetic energy—the energy matter possesses because of its motion. Anatomy and Physiology 2013-06-19T00:00:00Z What is the net force, and will your kinetic energy increase or decrease? College Physics for AP Courses 2015-08-12T00:00:00Z According to kinetic-molecular theory, the temperature of a substance is proportional to the average kinetic energy of its particles. Chemistry 2019-02-14T00:00:00Z Just before it hits the ground, the ball has nearly lost its potential energy and has near-maximal kinetic energy. Biology for AP Courses 2022-06-09T00:00:00Z Energy associated with objects in motion is called kinetic energy. Environmental Biology 2018-09-06T00:00:00Z If the brick wall collapses, the stored potential energy is released as kinetic energy as the bricks fall. Anatomy and Physiology 2013-06-19T00:00:00Z What is the kinetic energy of the potato as it leaves the muzzle of the potato cannon? College Physics for AP Courses 2015-08-12T00:00:00Z Graham’s law states that with a mixture of two gases A and B: Both A and B are in the same container at the same temperature, and therefore will have the same kinetic energy: Chemistry 2019-02-14T00:00:00Z Objects in motion do physical work, and kinetic energy is the energy of objects in motion. Biology for AP Courses 2022-06-09T00:00:00Z A speeding bullet, a walking person, and the rapid movement of molecules in the air all have kinetic energy. Environmental Biology 2018-09-06T00:00:00Z Recall that kinetic energy is the energy of matter in motion. Anatomy and Physiology 2013-06-19T00:00:00Z If the child pushes on the rear wagon, what happens to the kinetic energy of each of the wagons, and the two-wagon system? College Physics for AP Courses 2015-08-12T00:00:00Z All atoms and molecules will condense into a liquid or solid in which the attractive forces exceed the kinetic energy of the molecules, at sufficiently low temperature. Chemistry 2019-02-14T00:00:00Z Hydrothermal energy stored in the water held by the dam will convert to kinetic energy, when it falls through the opening of the sluice. Biology for AP Courses 2022-06-09T00:00:00Z Which one of the following is most strongly associated with kinetic energy? Environmental Biology 2018-09-06T00:00:00Z In general, kinetic energy is the form of energy powering any type of matter in motion. Anatomy and Physiology 2013-06-19T00:00:00Z The kinetic energy of the system will be conserved since the masses are equal and the final velocity of cart 2 is equal to the initial velocity of cart 1. College Physics for AP Courses 2015-08-12T00:00:00Z As the temperature increases, the average kinetic energy of the molecules of gasoline increases and so a greater fraction of molecules have sufficient energy to escape from the liquid than at lower temperatures. Chemistry 2019-02-14T00:00:00Z Like all other forms of kinetic energy, light can travel, change form, and be harnessed to do work. Biology for AP Courses 2022-06-09T00:00:00Z The flight response prepares the body to run, compressing you into an unpredictable spring of kinetic energy. His PTSD, and My Struggle to Live With It 2022-07-05T04:00:00Z The kinetic energy of subatomic particles increases in response to increases in thermal energy. Anatomy and Physiology 2013-06-19T00:00:00Z What would a graph of total kinetic energy vs. time look like in this case? College Physics for AP Courses 2015-08-12T00:00:00Z One scheme classifies energy into two types: potential energy, the energy an object has because of its relative position, composition, or condition, and kinetic energy, the energy that an object possesses because of its motion. Chemistry 2019-02-14T00:00:00Z The potential energy that accumulates in the stored hydrogen ions is translated into kinetic energy as the ions surge through the channel protein ATP synthase, and that energy is used to convert ADP into ATP. Biology for AP Courses 2022-06-09T00:00:00Z It wouldn’t mean free energy — the motion associated with a time crystal doesn’t have kinetic energy in the usual sense, but it could be used for quantum computing. Physicists Link Two Time Crystals in Seemingly Impossible Experiment 2022-06-15T04:00:00Z Because heat helps increase the kinetic energy of atoms, ions, and molecules, it promotes their collision. Anatomy and Physiology 2013-06-19T00:00:00Z Derive an expression for conservation of internal kinetic energy in a one-dimensional collision. College Physics for AP Courses 2015-08-12T00:00:00Z When thermal energy is lost, the intensities of these motions decrease and the kinetic energy falls. Chemistry 2019-02-14T00:00:00Z Once it is released, its kinetic energy begins to increase because it builds speed due to gravity. Biology for AP Courses 2022-06-09T00:00:00Z The AR-15-type of rifle used in the shooting causes “devastating injuries to the body,” Eckstein said, not because of the size of the rounds but because their high velocity generates immense kinetic energy. Police delays may have deprived Texas schoolchildren of lifesaving care, experts say 2022-05-27T04:00:00Z The ball’s initial position, its kinetic energy, its angular momentum – and all the other factors: the friction acting on the ball, the ricketiness of the table, the crookedness of the house. Lost Women of Science Podcast, Season 2: Episode One - The Grasshopper 2022-03-31T04:00:00Z Figure 8.9 illustrates an elastic collision in which internal kinetic energy and momentum are conserved. College Physics for AP Courses 2015-08-12T00:00:00Z Temperature is an intensive property of matter reflecting hotness or coldness that increases as the average kinetic energy increases. Chemistry 2019-02-14T00:00:00Z Objects in motion do physical work, and kinetic energy is the energy of objects in motion. Biology for AP Courses 2022-06-09T00:00:00Z The powerful storm added kinetic energy to particles in Earth’s atmosphere. Solar Storm Destroys 40 New SpaceX Satellites in Orbit 2022-02-09T05:00:00Z The reason a flying baseball will shatter the glass if it hits a window is that the ball transfers its kinetic energy to the glass. The High-Speed Physics of Olympic Sledding, Explained 2022-02-08T05:00:00Z Now, to solve problems involving one-dimensional elastic collisions between two objects we can use the equations for conservation of momentum and conservation of internal kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z Increasing the brightness of incoming light increases the kinetic energy of the ejected electrons. Chemistry 2019-02-14T00:00:00Z “West Side Story” owed a lot of its kinetic energy to its superb editing. Oscar nominations 2022: Complete predictions in all 23 categories 2022-02-04T05:00:00Z Mr Thoronka, from Sierra Leone, invented a device that uses kinetic energy from traffic and pedestrians to generate clean power. Durham University student's clean energy device earns global prize 2021-11-11T05:00:00Z Both gravitational potential energy and kinetic energy increase as weight increases, meaning there is more energy in a four-person bobsled team than there is in a one-person luge or skeleton for a given speed. The High-Speed Physics of Olympic Sledding, Explained 2022-02-08T05:00:00Z We have seen that in an elastic collision, internal kinetic energy is conserved. College Physics for AP Courses 2015-08-12T00:00:00Z Increasing the frequency of incoming light increases the kinetic energy of the ejected electrons. Chemistry 2019-02-14T00:00:00Z Moreover, they can use the high kinetic energy derived from their hypersonic speed to destroy a target. China delivers a hypersonic shot across the bow 2021-11-10T05:00:00Z “The SSF may also be responsible for research, development, testing, and fielding of certain ‘new concept’ weapons, such as directed energy and kinetic energy weapons.” EXCLUSIVE: Space Force commander warns of China’s growing threat to U.S. in space 2021-10-20T04:00:00Z Racers are dealing with a lot of kinetic energy and strong forces. The High-Speed Physics of Olympic Sledding, Explained 2022-02-08T05:00:00Z For inelastic collisions, such as when colliding objects stick together, this internal work may transform some internal kinetic energy into heat transfer. College Physics for AP Courses 2015-08-12T00:00:00Z At the higher temperature, more molecules have the necessary kinetic energy, KE, to escape from the liquid into the gas phase. Chemistry 2019-02-14T00:00:00Z As part of their pledge, they also partnered with BMW to develop a rechargeable show battery that will be powered by recycled cooking oil, solar power and kinetic energy. Coldplay announce new 'eco-friendly' tour 2021-10-14T04:00:00Z But a scooter, even a heavy scooter, is about 50 pounds, and it only goes 10 or maybe 12 mph, so you’re just talking about a lot less kinetic energy than a motor vehicle. Shared scooters aren’t always where you need them. A U-Md. researcher has a plan for that. 2021-07-29T04:00:00Z Riders in the sledding events reach their fast speeds because of the conversion of gravitational potential energy into kinetic energy. The High-Speed Physics of Olympic Sledding, Explained 2022-02-08T05:00:00Z Or it may convert stored energy into internal kinetic energy, such as when exploding bolts separate a satellite from its launch vehicle. College Physics for AP Courses 2015-08-12T00:00:00Z High temperatures are required to give the nuclei enough kinetic energy to overcome the very strong repulsion resulting from their positive charges. Chemistry 2019-02-14T00:00:00Z That creates enough kinetic energy to destroy targets. Futuristic railguns are out, hypersonic missiles are in 2021-07-01T04:00:00Z Lanzone says as the team continues to innovate, its main guiding principle will be to not slow down the app’s “kinetic energy.” Tinder wants you to actually talk to people before you match 2021-06-22T04:00:00Z The car-centric “Fast & Furious” franchise long ago cut its ties to the laws of the physical universe: gravity, the transfer of kinetic energy from one speeding object to another, logic. 12 summer movies that just might get you off the couch and into the theater 2021-06-02T04:00:00Z The internal kinetic energy of the system changes in any inelastic collision and is reduced to zero in this example. College Physics for AP Courses 2015-08-12T00:00:00Z How this energy compares to the kinetic energy provided by colliding reactant molecules is a primary factor affecting the rate of a chemical reaction. Chemistry 2019-02-14T00:00:00Z There was a lot of kinetic energy between those walls — before the pandemic forced their doors to close — but it was fueled by those relationships. TY, Love You, See You Soon 2021-04-12T04:00:00Z Pedaling felt like a celebration of kinetic energy, of blood, cartilage and bone. The Joys of Biking at Night 2021-03-23T04:00:00Z Atoms wiggle at any temperature above absolute zero, because heat drives up their kinetic energy, or motion, he said. Why Does DNA Spontaneously Mutate? Quantum Physics Might Explain 2021-03-17T04:00:00Z The initial kinetic energy of the puck is almost entirely converted to thermal energy and sound in this inelastic collision. College Physics for AP Courses 2015-08-12T00:00:00Z The thermal energy of matter is due to the kinetic energies of its constituent atoms or molecules. Chemistry 2019-02-14T00:00:00Z Electric vehicles also use regenerative braking, in which the motor slows the vehicle down by working in reverse, putting kinetic energy back into the battery. Lung Association cites health benefits of electric vehicles 2020-10-15T04:00:00Z Warmer temperatures increase the speed and kinetic energy of the molecules inside the ball. At the French Open, Cold Weather and a Ball That Will Not Behave 2020-09-28T04:00:00Z He and Wong suggest that some lyving organisms might use energy sources untapped here on Earth, such as magnetic fields or kinetic energy, the energy of motion. Are aliens hiding in plain sight? 2020-09-05T04:00:00Z Once the final velocity is found, the kinetic energies can be calculated before and after the collision and compared as requested. College Physics for AP Courses 2015-08-12T00:00:00Z Increasing the wavelength of incoming light increases the kinetic energy of the ejected electrons. Chemistry 2019-02-14T00:00:00Z The kinetic energy of a free electron grows quadratically with its velocity or momentum, resulting in a curve known as a parabola. Atomic forces mapped out by lasers 2020-06-30T04:00:00Z The faster those molecules move, the more kinetic energy and bounce they produce. At the French Open, Cold Weather and a Ball That Will Not Behave 2020-09-28T04:00:00Z “There is no known life form that directly harnesses kinetic energy into its metabolism,” says Bartlett. Are aliens hiding in plain sight? 2020-09-05T04:00:00Z Therefore the total work done is the change in kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z Increasing the brightness of incoming light has no effect on the kinetic energy of the ejected electrons. Chemistry 2019-02-14T00:00:00Z Upon impact, one section of the guardrail system is designed to slide into another, absorbing the kinetic energy of the collision. Missouri sues guardrail-making company for negligence, fraud 2020-06-18T04:00:00Z In classical physics, an electron at any position will start moving along a circular trajectory known as a cyclotron orbit, the radius of which depends on the particle’s kinetic energy. Light turned into exotic Laughlin matter 2020-06-02T04:00:00Z Were you worried about being able to convey the kinetic energy of the court? Gene Luen Yang Discovers the Art of Basketball 2020-03-27T04:00:00Z After the collision, the rotational kinetic energy can be found because we now know the final angular velocity and the final moment of inertia. College Physics for AP Courses 2015-08-12T00:00:00Z Only energy, not the number or amplitude, of the photons influences the kinetic energy of the electrons. Chemistry 2019-02-14T00:00:00Z But it did identify a decrease in kinetic energy in parts of the northern Atlantic, according to Hu, which likely corresponds to the AMOC’s slowdown. Ocean Currents Are Speeding Up, Driven by Faster Winds 2020-02-06T05:00:00Z From each one they extracted the ocean’s kinetic energy month by month, at a coarse scale that would ignore the turbulence of eddies and storms. Global warming is speeding up Earth‘s massive ocean currents 2020-02-05T05:00:00Z This ionization process drains kinetic energy from muons, rendering them slightly less frenetic. MICE Cold: Collaboration Demonstrates Muon Ionization Cooling 2020-02-05T05:00:00Z If the only result is deformation, and no work goes into thermal, sound, or kinetic energy, then all the work is initially stored in the deformed object as some form of potential energy. College Physics for AP Courses 2015-08-12T00:00:00Z Frequencies above the threshold value transfer the excess energy into the kinetic energy of the electrons. Chemistry 2019-02-14T00:00:00Z Ms. Warren was once the Democratic candidate to beat in Iowa, lifted by the kinetic energy of her crowds and a sprawling campaign infrastructure that far exceeded those of her rivals. Elizabeth Warren Confronts the Issue Dragging Her Down 2020-01-15T05:00:00Z But, the analyst added: “It won’t be enough. He needs to convert his potential energy into kinetic energy.” Fence-scaling Venezuela opposition leader rekindles his mojo 2020-01-08T05:00:00Z That kinetic energy packed into his short frame, ready to furiously explode. Analysis | The glorious, quiet return of Joe Pesci 2019-11-30T05:00:00Z These collisions transfer kinetic energy from the electron to the electrons and atoms in the material. College Physics for AP Courses 2015-08-12T00:00:00Z Then, we will more carefully consider the relationships between molecular masses, speeds, and kinetic energies with temperature, and explain Graham’s law. Chemistry 2019-02-14T00:00:00Z With a zapping electronic beat and a kinetic energy that builds to a climax, “Baby Shark” resembles a K-pop dance hit far more than the mellow, static numbers that make up most kids’ fare. ‘Baby Shark’ Smells Money Onstage 2019-11-14T05:00:00Z The fall of the wall gave Germany an incredible, positive boost, because for so many people who experienced it, myself included, it was a source of kinetic energy that they lived off for many years. German novelists on the fall of the Berlin wall: ‘It was a source of energy we lived off for years’ 2019-11-03T04:00:00Z There are two variants of hypersonic weapons, which can both be equipped with conventional or nuclear warheads and can also demolish their targets through sheer speed and force of impact, or kinetic energy. Hypersonic weapons and national (in)security 2019-10-05T04:00:00Z As is discussed in Kinetic Theory: Atomic and Molecular Explanation of Pressure and Temperature, an increase in temperature implies an increase in the kinetic energy of the individual atoms. College Physics for AP Courses 2015-08-12T00:00:00Z If the temperature is increased, the average speed and kinetic energy of the gas molecules increase. Chemistry 2019-02-14T00:00:00Z Instead of electric plug-ins, hybrid vehicles include a gasoline motor and recharge their batteries using the kinetic energy generated by wheel momentum. Washington’s hybrid and electric car owners find a $75 fee in their new car-tab bills 2019-09-30T04:00:00Z By spinning the electric motor backward, the car will be able to turn the kinetic energy of braking into potential energy that’s stored in something like a flywheel or a small battery. IndyCar will race 900-horsepower hybrid cars starting in 2022 2019-08-01T04:00:00Z A group at Dartmouth College and the University of Texas at San Antonio previously designed a pacemaker that instead harnesses kinetic energy from its own lead wire, which moves when the heart pulses. New Pacemaker Harvests Energy from the Heart 2019-05-28T04:00:00Z Temperature is related to the average kinetic energy of atoms and molecules in a system. College Physics for AP Courses 2015-08-12T00:00:00Z To do this, we must first look at speeds and kinetic energies of gas molecules, and the temperature of a gas sample. Chemistry 2019-02-14T00:00:00Z Convulsions of kinetic energy, their existences instantaneous, their deaths unmarked. A billion dots of light 2019-04-09T04:00:00Z But with a 32 kilometer-a-second velocity and a steep incoming trajectory, only about 7 degrees off the vertical, it packed a kinetic energy punch when it exploded at about 25 kilometers altitude. Fireball Earth 2019-03-30T04:00:00Z Set it up just right and the light saps away the atoms' kinetic energy, cooling the gas to a very low temperature. Physicists create a quantum refrigerator that cools with an absence of light 2019-02-14T05:00:00Z What will be the ratio of kinetic energies and rms speeds of a nitrogen molecule and a helium atom at the same temperature? College Physics for AP Courses 2015-08-12T00:00:00Z As the temperature increases, the molecules move more rapidly and their kinetic energies are better able to overcome the forces that hold them together; thus, the viscosity of the liquid decreases. Chemistry 2019-02-14T00:00:00Z When the imploding fuel stagnates, kinetic energy is rapidly converted to temperature and pressure, generating a fusion plasma that is confined by its own inertia. Experimentally trained statistical models boost nuclear-fusion performance 2019-01-29T05:00:00Z Victorian physicist James Clerk Maxwell’s celebrated thought experiment features a hypothetical miniature beast perching at an aperture between two containers of gas, where it allows only certain molecules to pass, depending on their kinetic energy. Maxwell’s demon and the hunt for alien life 2019-01-21T05:00:00Z The use of graphics is not new for Minhaj: He incorporated photos, charts and maps into “Homecoming King,” and his weekly show features a similar kind of kinetic energy as the special. Analysis | How Hasan Minhaj’s new Netflix series is different from other comedy shows 2018-10-29T04:00:00Z In Work, Energy, and Energy Resources, we defined work as force times distance and learned that work done on an object changes its kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z Energy is stored in a substance when the kinetic energy of its atoms or molecules is raised. Chemistry 2019-02-14T00:00:00Z In the finale of “La Mer,” Boulez’s meticulous attention to rhythmic subtleties redoubles the music’s kinetic energy. The Velvet Revolution of Claude Debussy 2018-10-22T04:00:00Z One possible supplement to the Saffir-Simpson scale would be one based on integrated kinetic energy. Hurricane Florence, ‘just a Cat 1,’ reveals flaw with Saffir-Simpson scale 2018-09-19T04:00:00Z The internal combustion engine converts less than a third of a gallon of gasoline into actual kinetic energy — “the rest . . . is wasted as heat and sound.” Review | What risks are we willing to accept for a world of self-driving cars? 2018-08-30T04:00:00Z This conversion prevents the gravitational potential energy from being converted into kinetic energy of the truck. College Physics for AP Courses 2015-08-12T00:00:00Z Surprisingly, the kinetic energy of the ejected electrons did not depend on the brightness of the light, but increased with increasing frequency of the light. Chemistry 2019-02-14T00:00:00Z Instead of sorting particles by size, it sorts them by kinetic energy—larger objects with more force break through, but lighter, slower objects do not. This improbable membrane can trap flies in a jar—and odor in a toilet 2018-08-24T04:00:00Z That leads to a simple physics equation—if all cars are lighter, there's less kinetic energy involved in any crash. Trump’s effort to roll back auto efficiency rules could hinge on debate over safety 2018-08-01T04:00:00Z That leads to a simple physics equation—if all cars are lighter, there’s less kinetic energy involved in any crash. Car Rules Fight Pits Safety Against Pollution 2018-08-01T04:00:00Z More energy is required than at the boiling point, because the kinetic energy of water molecules at temperatures below 100ºC is less than that at 100ºC , hence less energy is available from random thermal motions. College Physics for AP Courses 2015-08-12T00:00:00Z The greater the frequency, the greater the kinetic energy imparted to the escaping electrons by the collisions. Chemistry 2019-02-14T00:00:00Z Those are bubbles of convecting plasma, and they boil like a cauldron, carrying tremendous amounts of kinetic energy. NASA’s Parker Probe will venture closer than ever to the sun to explore its mysterious atmosphere 2018-08-01T04:00:00Z Cars could get a lot more efficient, still — for every 20 gallons you put in the tank, only five gallons turn into the kinetic energy moving the car; the rest gets wasted as heat. Most paths to a clean-energy future start the same way 2018-07-06T04:00:00Z The team found that positron beams created as much light as did electron beams with hundreds of times more kinetic energy. Antimatter’s annihilation burns brightly 2018-04-15T04:00:00Z You may assume most of the kinetic energy of the airplane is converted to thermal energy in the brakes and surrounding materials, and that little escapes. College Physics for AP Courses 2015-08-12T00:00:00Z For any frequency of light above the threshold frequency, the kinetic energy of an ejected electron will increase linearly with the energy of the incoming photon. Chemistry 2019-02-14T00:00:00Z Sometimes the fields reach up through the surface of the sun and into the corona, which could establish a path for the granules' kinetic energy to be transformed into thermal energy. NASA’s Parker Probe will venture closer than ever to the sun to explore its mysterious atmosphere 2018-08-01T04:00:00Z Hopkins likes the scoring boost off the bench, but mostly he needs Carter, a 6-foot-6 New York native who radiates with infectious kinetic energy, to continue flying around at both ends making plays. Nahziah Carter is the Huskies’ high-flying freshman, and he just keeps making plays 2018-02-23T05:00:00Z In real cars, gasoline’s chemical energy or the electrical energy in a battery is converted to kinetic energy of the moving car. Build a Rubber Band–Powered Car 2018-01-11T05:00:00Z Furthermore, mechanical energy, such as kinetic energy, can be completely converted to thermal energy by friction, but the reverse is impossible. College Physics for AP Courses 2015-08-12T00:00:00Z What is the ratio of the average kinetic energy of a SO2 molecule to that of an O2 molecule in a mixture of two gases? Chemistry 2019-02-14T00:00:00Z That wiggling heats nearby particles, which steal away thermal and kinetic energy "like a surfer on the crest of a wave," says Kelly Korreck, a solar physicist at the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts. NASA’s Parker Probe will venture closer than ever to the sun to explore its mysterious atmosphere 2018-08-01T04:00:00Z Hawkins brought a pulsating, kinetic energy to the court, an aesthetic that is the currency of today’s game. Sports deaths: Halladay, Hawkins; Enberg’s voice silenced 2017-12-29T05:00:00Z It rests on the counter with its own kinetic energy. A toast to a small morning pleasure, and a toast to you for reading it 2017-11-24T05:00:00Z The energy of a system includes its kinetic energy, potential energy, and microscopic internal energy. College Physics for AP Courses 2015-08-12T00:00:00Z What is the effect on the average kinetic energy of the molecules? Chemistry 2019-02-14T00:00:00Z Each image in c and d corresponds to a single, independent realization of the experiment. e, Measured mean kinetic energy per emitted atom for a range of modulation frequencies. Collective emission of matter-wave jets from driven Bose–Einstein condensates 2017-11-05T04:00:00Z “These electrons will take up all the kinetic energy of that aspect of the decay of the tritium nucleus,” says Drexlin. In search of the neutrino, ghost particle of the universe 2017-11-04T04:00:00Z Lifting a weight creates stored energy, which turns into kinetic energy as the weight descends. Where There Is Gravity, Let There Be Light 2017-10-25T04:00:00Z Examples should include gravitational potential energy, elastic potential energy, and kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z If the activation energy is much larger than the average kinetic energy of the molecules, the reaction will occur slowly since only a few fast-moving molecules will have enough energy to react. Chemistry 2019-02-14T00:00:00Z The kinetic energy term primarily affects two attributes: the resonance condition and the threshold behaviour. Collective emission of matter-wave jets from driven Bose–Einstein condensates 2017-11-05T04:00:00Z I was welcomed into the Shell pavilion and invited to generate my own kinetic energy by running inside a Zorb. 'Norman said the president wants a pyramid': how starchitects built Astana 2017-10-17T04:00:00Z Using an innovative gear train that GravityLight developed, they applied this kinetic energy to spin a generator to produce enough electricity to power an LED bulb. Where There Is Gravity, Let There Be Light 2017-10-25T04:00:00Z When a free positive charge q is accelerated by an electric field, such as shown in Figure 19.2, it is given kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z If the activation energy is much smaller than the average kinetic energy of the molecules, a large fraction of molecules will be adequately energetic and the reaction will proceed rapidly. Chemistry 2019-02-14T00:00:00Z The solid line shows the expected kinetic energy Ek = hf/2. Collective emission of matter-wave jets from driven Bose–Einstein condensates 2017-11-05T04:00:00Z The speed of the proton, or its kinetic energy, determines the depth at which the spot reaches below the skin. Three ways to make proton therapy affordable 2017-09-24T04:00:00Z Football’s kinetic energy — a function of the masses and velocities of the hurtling bodies — has increased dramatically in 50 years. Opinion | America’s waning romance with football 2017-09-01T04:00:00Z It is as if the charge is going down an electrical hill where its electric potential energy is converted to kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z To reach the kinetic energies necessary to produce transmutation reactions, devices called particle accelerators are used. Chemistry 2019-02-14T00:00:00Z To understand the microscopic process responsible for the ejection of atoms, we extracted the kinetic energy per atom by monitoring the distance of the atoms from the condensate over time. Collective emission of matter-wave jets from driven Bose–Einstein condensates 2017-11-05T04:00:00Z The uranium was indeed splitting, releasing a burst of kinetic energy, exactly consistent with Einstein’s famous equation, E = mc2. Honoring a Pioneering Woman in Physics 2017-08-29T04:00:00Z In this model, the transfer of kinetic energy occurs rather like a baton being passed around runners in a relay race, Cardesa says, but one in which the runners get progressively smaller and more numerous. Mysteries of turbulence unravelled 2017-08-20T04:00:00Z The particle’s kinetic energy and speed thus remain constant. College Physics for AP Courses 2015-08-12T00:00:00Z The very high temperature is necessary to give the nuclei enough kinetic energy to overcome the very strong repulsive forces resulting from the positive charges on their nuclei so they can collide. Chemistry 2019-02-14T00:00:00Z In 2013 a meteoroid of about 20m exploded in the atmosphere over the city of Chelyabinsk in central Russia with the kinetic energy of about 30 Hiroshima atom bombs. Close encounter: asteroid the size of a house set for near miss with Earth 2017-08-10T04:00:00Z “Thanks to gravitational and kinetic energy, if I start that pendulum swinging, it’s going to keep moving back and forth for a long time without any additional energy input,” he says. Why Hiking Is the Perfect Mind-Body Workout 2017-07-05T04:00:00Z Like friction between solid objects, this viscosity acts to increase resistance to movement between layers of fluid, and thereby dissipates kinetic energy as heat. Mysteries of turbulence unravelled 2017-08-20T04:00:00Z This theorem states that the net work on a system goes into kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z Christie is intense and brusque; his stocky build and sharp eyes feel loaded with kinetic energy. The secret origin story of the iPhone 2017-06-13T04:00:00Z If I let go of my pencil, the potential energy stored in the field becomes kinetic energy, transforming into their mutual motion. A Letter to My High School Physics Teacher 2017-06-05T04:00:00Z With the help of on-board navigation systems, the kill vehicles, which carry no explosives, are supposed to crash into and destroy enemy warheads using only kinetic energy. Pentagon prepares to test its homeland missile defense system amid rising concerns about North Korea 2017-05-30T04:00:00Z Stages and streets around the Brooklyn Academy of Music will be full of the kinetic energy, sounds and cuisines of African culture. 10 Things to Do in NYC Now 2017-05-19T04:00:00Z It is even more interesting to investigate what happens to kinetic energy when the velocity of an object approaches the speed of light. College Physics for AP Courses 2015-08-12T00:00:00Z The field of piezoelectronics, which aims to turn kinetic energy into electrical energy, offers some general promise. If Donald Trump Were Actually a Battery 2017-05-18T04:00:00Z When demand peaks in the late afternoon, the kinetic energy stored in the spinning rotor can be harnessed — the rotor can be used as a generator to provide up to four hours of electricity. Energy: Powering change : Nature : Nature Research 2017-05-16T04:00:00Z Yet the kinetic energy emanating from the West Wing, which at times borders on frenetic, reveals a White House eager to cross the threshold with some tangible wins. Trump scrambles to show progress as the 100-day mark approaches 2017-04-25T04:00:00Z It doesn't gel and lacks the kind of visual kinetic energy we’ve come to expect from films of this ilk. High concept, uninspired execution plagues 'Rock Dog' 2017-02-23T05:00:00Z Both the relativistic form for kinetic energy and the ultimate speed limit being c have been confirmed in detail in numerous experiments. College Physics for AP Courses 2015-08-12T00:00:00Z Tiffany’s first season at Virginia is all kinetic energy and no time to rest. Lars Tiffany opens new era of Virginia lacrosse at a frenetic pace 2017-02-13T05:00:00Z A polyethylene backing absorbs the kinetic energy of the fired shot. Man out to make world’s strongest body armor 2017-01-22T05:00:00Z Army weapon to combine with kinetic energy technology: the Howitzer. Pentagon expands Rail Gun tests to Army Howitzer: ‘You have really changed things’ 2017-01-03T05:00:00Z Deformations of the soft substrates within a few microseconds of impact absorbed the drops' kinetic energy, decreasing splashing. Fluid dynamics: Soft surfaces suppress splash : Nature : Nature Research 2016-11-01T04:00:00Z First, we will calculate the relativistic factor γ , and then use it to determine the relativistic kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z He found that kinetic energy — a combination of mass and speed — was the best predictor of how efficiently an arrow penetrated the gel. The Art of the Fang 2016-10-31T04:00:00Z Superfluidity is a similar state that is achieved when liquids flow with no viscosity at all, meaning no loss of kinetic energy as they move. Why 'Exotic Matter' Matters—and Won the Nobel Prize in Physics 2016-10-04T04:00:00Z But at 60 mph the car’s kinetic energy is…let’s see…0.5 x mv²… Not quite 1 megajoule, which packs quite a wallop. Rolls-Royce Dawn Review: Charisma Comes Standard 2016-09-22T04:00:00Z Dr. Fernando Stein, a critical-care specialist at Texas Children’s, said children’s lower body weights mean that bullets’ kinetic energy disperses across less mass. Texas doctors raise concerns about children shot accidents 2016-08-17T04:00:00Z Show that relativistic kinetic energy becomes the same as classical kinetic energy when v = c . College Physics for AP Courses 2015-08-12T00:00:00Z As the children ran up and down the pitch, their kinetic energy was being stored in batteries, and along with solar panels, used to illuminate the field. From favelas to the White House, tiles turn footsteps into electricity 2016-07-18T04:00:00Z Some of the low-speed corners also allow for kinetic energy recovery from the brakes, particularly at the Wellington Loop complex and at Luffield. Silverstone’s Enduring Character 2016-07-08T04:00:00Z “Anytime you have a projectile screaming in at extremely high speeds—kilometers per second—the sheer kinetic energy of that projectile is awesome,” Mr. Work said. A First Look at America’s Supergun 2016-05-27T04:00:00Z On impact, the bullet expands its surface, imparts all its kinetic energy into the body and remains in it. Czech defense university improves air marshals' ammunition 2016-05-08T04:00:00Z This would be like having only certain speeds at which a car can travel because its kinetic energy can have only certain values. College Physics for AP Courses 2015-08-12T00:00:00Z Railguns use pulses of electricity to fire projectiles at six to seven times the speed of sound, producing enough kinetic energy to destroy targets. Admiral: Bath shipbuilders won’t install electric gun 2016-03-22T04:00:00Z The winner's idea was for a games controller which harnesses kinetic energy from thumb action using wind-up triggers. 'Girls in tech' competition won by boy - BBC News 2016-02-26T05:00:00Z Football’s kinetic energy is increasing as the players become bigger and even the biggest become faster. Super Bowl Sunday: The day America celebrates football — and brain damage 2016-02-05T05:00:00Z Each of the potential transitions would non-adiabatically perturb the kinetic energy of a charged antiatom; as noted above, these kicks correspond, approximately, to a random walk in energy. An improved limit on the charge of antihydrogen from stochastic acceleration : Nature : Nature Publishing Group 2016-01-19T05:00:00Z The kinetic energy of an ejected electron equals the photon energy minus the binding energy of the electron in the specific material. College Physics for AP Courses 2015-08-12T00:00:00Z Still, it’s a howl to drive, a burst of kinetic energy that delightfully tracks wherever I point it, shuddering happily over the bumps and ably negotiating bends. Acura’s $156,000 hybrid supercar is the anti-Lamborghini 2016-01-19T05:00:00Z The combination of all that kinetic energy was what enabled the Clippers to overwhelm the Washington Wizards, 108-91, Monday night at the Verizon Center. Chris Paul and DeAndre Jordan step up, Clippers step lively in 108-91 victory over Wizards 2015-12-28T05:00:00Z Among the tricks these engines use are energy-recovery systems that capture kinetic energy dissipated by braking and also heat from the exhaust. The incredible shrinking machine 2015-12-10T05:00:00Z And it’s designed to create more energy than it uses, thanks to a mix of solar cells along the tubes, wind turbines along the supporting pylons and kinetic energy generated by the braking process. The Race to Create Elon Musk’s Hyperloop Heats Up 2015-11-30T05:00:00Z The remainder goes into the ejected electron’s kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z To be in Lagos was to be at the beating heart of Africa: the kinetic energy, the babble of commerce, the entrepreneurial inventiveness that even created a floating city built on stilts. Vuvuzelas, Pistorius and Mugabe’s warped rule: my six years in Africa 2015-11-17T05:00:00Z “These systems consist of a satellite armed with a weapon such as an explosive charge, fragmentation device, kinetic energy weapon, laser, radio frequency weapon, jammer or robotic arm,” the report says. Inside the Ring: Details of Chinese space weapons revealed 2015-10-14T04:00:00Z And as soon as we begin to talk, the kinetic energy of her mind sucks me right in. Eileen Myles: 'People just have to blow it up. That's what I've done for 30 years' 2015-10-01T04:00:00Z At the center they merge into a bigger FRC, transforming their kinetic energy into heat. Secretive fusion company makes reactor breakthrough 2015-08-24T04:00:00Z To get a further idea of how large the uncertainty in velocity is, we assumed the velocity of the electron was equal to its uncertainty and found this gave a kinetic energy of 95.5 eV. College Physics for AP Courses 2015-08-12T00:00:00Z This jump rope harnesses the kinetic energy you make with it to charge an internal lithium battery. Physics Week in Review: August 22, 2015 2015-08-22T04:00:00Z The idea lies in the science of kinetic energy. Srixon aims to increase your potential speed with new woods, irons: The Loop 2013-10-16T04:00:00Z An ad for some that looks like it was invented for Star Trek who projects photonic, thermal kinetic energy, a.k.a. light, into your body to relieve pain. What You Missed While Not Watching the Republican Undercard Debate 2015-08-06T04:00:00Z At the targeted landing site, the feet of the lander sank about 10 inches into a soft granular material that absorbed much of its kinetic energy. Rosetta’s Philae Lander Discovers a Comet’s Organic Molecules 2015-07-30T04:00:00Z What is the maximum kinetic energy in eV of electrons ejected from sodium metal by 450-nm EM radiation, given that the binding energy is 2.28 eV? College Physics for AP Courses 2015-08-12T00:00:00Z In the meantime, it will explore ways to explore alternative ways to power the heart monitor battery, including solar and kinetic energy. Rhinos get camera implants to deter poachers 2015-07-21T04:00:00Z Some of the moving particles’ kinetic energy is transformed into magnetic energy, augmenting the magnetic fields. Cosmic Turbulence May Spawn Monster Magnetic Fields 2015-06-23T04:00:00Z “That kinetic energy of having everybody squished together — it leads to a lot of advantages you can’t get outside the city.” Start-ups fight for a place in Boston’s biotech hub 2015-06-07T04:00:00Z "This will allow us a very rare opportunity to see how the kinetic energy of the collision is dissipated into radiation." Black hole glimpsed playing cosmic billiards - BBC News 2015-05-28T04:00:00Z Calculate the kinetic energy of each and compare them. College Physics for AP Courses 2015-08-12T00:00:00Z “This will allow us a very rare opportunity to see how the kinetic energy of the collision is dissipated into radiation.” Watch a Superfast Jet of Gas Burst from a Massive Black Hole 2015-05-27T04:00:00Z The robot’s legs act like springs that absorb kinetic energy and reuse it. Oregon State robot walks something like the walk 2015-05-12T04:00:00Z Over the next few minutes, Meyer darted around the room, as if she was trying to convert her kinetic energy into stanzas. Poetry used as key to fading memories 2015-05-10T04:00:00Z That idea is to convert the chemical energy stored in an explosive into kinetic energy stored in a speeding projectile. Rail strike 2015-05-07T04:00:00Z Electron total energies are negative, since the electron is bound to the nucleus, analogous to being in a hole without enough kinetic energy to escape. College Physics for AP Courses 2015-08-12T00:00:00Z Hoping to capture some of that kinetic energy in a static way, she got the skaters off their boards and sat them completely still for head-shot portraits. Highfliers, Sitting Still 2015-05-02T04:00:00Z Hurst said that the fluid motion of walking animals retains a lot of energy, but other walking robots can’t maintain that kinetic energy. Oregon State robot walks something like the walk 2015-05-12T04:00:00Z The cabs convert the kinetic energy that is usually lost in the braking process into electricity and stores it, improving energy efficiency. Technology to tame Africa's deadly transport chaos - BBC News 2015-04-27T04:00:00Z The design has a muzzle energy of 32 megajoules, which is roughly the kinetic energy that would be carried by a small hatchback doing 900kph. Rail strike 2015-05-07T04:00:00Z For example, giving 15.0 eV to an electron in the ground state of hydrogen strips it from the atom and leaves it with 1.4 eV of kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z That kind of Kramerian cycle terrifies fans, but creates so much kinetic energy and psychic turmoil that you have to sort of sit back, light a cigar and wallow in the heavy smoke. Cubs, take heart: Clippers make something of previous nothings The researchers also noted a statistically significant relationship between times of low eddy kinetic energy and extremely high temperature anomalies—for example, the sweltering Russian heat wave of 2010. Warming Arctic may be causing heat waves elsewhere in world 2015-03-12T04:00:00Z A mechanical device, the Hertzberg clock runs purely on kinetic energy like the rocking pendulum and dangling weight system of a grandfather clock. 19th century jewelers’ clock still ticking 2015-03-02T05:00:00Z Now, the water is running freely to waste, so all its energy is being converted to kinetic energy, just as it would be in a turbine. StatoilVoice: Can You Turn Your Home Into A Hydroelectric Plant? 2015-01-27T05:00:00Z Electrons emitted from a hot filament are accelerated with a high voltage, gaining significant kinetic energy and striking the anode. College Physics for AP Courses 2015-08-12T00:00:00Z When an object gains heat the object's molecules gain kinetic energy and they move faster. Why Does the Floor Feel Cold When the Towel Feels Warm? 2014-12-18T05:00:00Z The kinetic energy of large-scale weather systems—including cyclones and anticyclones—is closely tied to the overall strength of the jet stream, Coumou says. Warming Arctic may be causing heat waves elsewhere in world 2015-03-12T04:00:00Z Innovation thinking and innovation language store up the potential energy of an organization; they don’t release kinetic energy. The Rhetoric Of Innovation 2014-12-16T05:00:00Z The faster a craft’s trip through the atmosphere, the more kinetic energy is transferred into heat. How did Orion withstand temperatures twice the melting point of steel? 2014-12-05T05:00:00Z Here, the x ray scatters from an outer electron shell of the atom, giving the ejected electron some kinetic energy while losing energy itself. College Physics for AP Courses 2015-08-12T00:00:00Z They compared the kinetic energy of the spheres before and after they pierced the graphene sheets. Graphene promise for body armour 2014-11-28T05:00:00Z They found a slow decline in the overall “eddy kinetic energy”—a drop of about 8% to 15% in summertime energy during that time period, they report online today in Science. Warming Arctic may be causing heat waves elsewhere in world 2015-03-12T04:00:00Z Without the potential energy of innovation culture, the kinetic energy of command will simply not work. The Rhetoric Of Innovation 2014-12-16T05:00:00Z Ballmer, 58, is a renowned salesman, carrying intense kinetic energy in his hulking frame as he strides across the court. At L.A. Clippers, Steve Ballmer prizes team tested by adversity 2014-09-25T04:00:00Z If the marble could get over the rim, it would gain kinetic energy by rolling down outside. College Physics for AP Courses 2015-08-12T00:00:00Z In some cases, the kinetic energy of atoms and molecules bouncing against one another may be enough to eject some out of the atmosphere. Jubilation as NASA orbiter reaches Mars 2014-09-21T04:00:00Z “So if you see a weakening of the jet, it’s logical that you’ll also see a weakening of the kinetic energy of these systems.” Warming Arctic may be causing heat waves elsewhere in world 2015-03-12T04:00:00Z It is there and ready when ideas and creativity and ambition and sense of purpose call on it, and in turn convert potential innovative cultural energy into kinetic energy — output. The Rhetoric Of Innovation 2014-12-16T05:00:00Z The technology is called Pavegen, and harvests energy from players’ footsteps using tiles made from 80% recycled material that capture kinetic energy, AFP says. Player-Powered Stadium Floodlights Launched 2014-09-12T04:00:00Z Yet the protons and neutrons do not have enough kinetic energy to get over the rim. College Physics for AP Courses 2015-08-12T00:00:00Z Billed as Brazil’s first player-powered soccer pitch, a field inaugurated Wednesday in a Rio de Janeiro slum harnesses the kinetic energy of players’ movements to provide nighttime illumination. Action on the field powers lights at soccer field 2014-09-10T04:00:00Z The kinetic energy from protests in Atlanta, Los Angeles, New York, Philadelphia, Baltimore, the District and elsewhere needs to be harnessed to build local organizations aimed at combating police brutality. Will Ferguson be a moment or a movement? In the case of the rock, that is because there is not adequate potential energy to be transformed into kinetic energy. The Rhetoric Of Innovation 2014-12-16T05:00:00Z A nuclear bomb converts nuclear energy into thermal, electromagnetic and kinetic energy. Fact or Fiction?: Energy Can Neither Be Created Nor Destroyed 2014-08-05T04:00:00Z Most of the released energy goes into the kinetic energy of the fission fragments, with the remainder going into the neutrons and excited states of the fragments. College Physics for AP Courses 2015-08-12T00:00:00Z Included is the phrase Speed Optimized Technology and the formula for kinetic energy. Callaway offers physics lesson on the clubhead of its new V Series driver: The Loop 2013-10-16T04:00:00Z The sole also includes the words "Speed Optimized Technology," as well as the aforementioned equation for kinetic energy. The next Callaway driver hints at swing speed: The Loop 2013-10-16T04:00:00Z It was the Chileans who initially impressed with their constant motion and kinetic energy. Holland top Group B as Leroy Fer header helps breaks Chile’s resolve 2014-06-23T04:00:00Z By the time it uses that energy to hurtle through loops, twists and turns, it will have converted all that to kinetic energy, or motion. Goliath roller coaster is fearsome and fun, but shows off physics too 2014-06-18T04:00:00Z Using data from the previous problem, find the increase in rotational kinetic energy, given the core's mass is 1.3 times that of our Sun. College Physics for AP Courses 2015-08-12T00:00:00Z According to Autosport’s technical analysis, the kinetic energy recovery system on the cars which boosts the engine power packed in, probably because of excessive heat. Mercedes blew chances of winning Canadian GP ‘because of Kers failure’ 2014-06-09T04:00:00Z The combined motion energy of all of the gas molecules in a container is called the average kinetic energy. Size-Changing Science: How Gases Contract and Expand 2014-06-05T04:00:00Z Mr. Umson said that when a car brakes at 25 miles per hour, “you have half the kinetic energy you have at 35 m.p.h.” Police, Pedestrians and the Social Ballet of Merging: The Real Challenges for Self-Driving Cars 2014-05-29T04:00:00Z He was known for evoking the kinetic energy of the world’s biggest sporting events. LeRoy Neiman baseball art sells for $491,748 2014-05-17T04:00:00Z Find the number of neutrinos per cubic meter needed to close the universe if their average mass is 7 eV / c2 and they have negligible kinetic energies. College Physics for AP Courses 2015-08-12T00:00:00Z Are you looking for a “masterpiece of kinetic energy?” Here's the Most Epic Ad for Some Guy's Used Volvo You'll Ever See 2014-05-14T04:00:00Z When gas molecules are warmed, their average kinetic energy also increases. Size-Changing Science: How Gases Contract and Expand 2014-06-05T04:00:00Z Owing to this extremely low pressure, the He gas does not preclude sympathetic crystallization of the MgH ions initially formed with kinetic energies in the range of ~0.1eV. Efficient rotational cooling of Coulomb-crystallized molecular ions by a helium buffer gas 2014-04-04T18:26:18.163Z The periodicity is tied to the Southern Hemisphere baroclinic annular mode and emerges in hemispheric-scale averages of the eddy fluxes of heat, the eddy kinetic energy, and precipitation. [Report] Periodic Variability in the Large-Scale Southern Hemisphere Atmospheric Circulation 2014-02-06T19:26:32.661Z Viewed in terms of energy, the roller-coaster-Earth system’s gravitational potential energy is converted to kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z They dreamed up the idea for a soccer ball with a built-in battery that gets charged by absorbing the kinetic energy of the soccer ball being kicked around. The Stars Of Forbes' 30 Under 30 In Energy And Industry 2014-01-06T12:37:00Z Speaking of the second fire, which occurred in Mexico, Musk noted the vehicle was traveling with a kinetic energy that is about four times as high as what vehicles are generally designed to survive. Elon Musk On The Tesla Fires: Headlines Are Deceiving, Model S Is Safest Car On The Road By Far 2013-11-12T21:58:00Z In physics, the energy associated with motion is called kinetic energy, and is dependent on an object’s mass and velocity. The Walking Dead Shuffles Into Science Education With Bolts, Brains, and a Physics Quiz 2013-10-11T18:15:03.453Z Another is called the Passive Attack Weapon or PAW which depends upon the kinetic energy of a mass of steel or tungsten rods to produce the necessary heat. Can US hit Syria's chemical weapons? 2013-09-03T12:49:42Z The loss of gravitational potential energy from moving downward through a distance h equals the gain in kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z On reaching its destination, the pod would pass through a motor that worked in reverse, converting its kinetic energy back into electricity for storage in batteries or use in motors up the line. The future of transport: No loopy idea 2013-08-15T15:00:16Z When you arrive at the destination, there would be another linear electric motor that absorbs your kinetic energy. Hyperloop Physics 101 With Elon Musk 2013-08-12T20:30:17Z The portions of the table we are really interested in are the position and kinetic energy columns. The Walking Dead Shuffles Into Science Education With Bolts, Brains, and a Physics Quiz 2013-10-11T18:15:03.453Z Furthermore, the flux peaked under conditions where the grains lost about 30% of their kinetic energy. Cambyses' Lost Army and the Physics of Sandstorms 2013-08-05T14:15:06.237Z The work-energy theorem states that the net work done by all forces acting on a system equals its change in kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z "We believe we might be the Facebook of the kinetic energy harvesting space, which is going to be a huge sector in future," he says. Lighting the office - just by walking 2013-07-15T23:16:57Z It uses a capacitor to gather and store kinetic energy generated while braking and decelerating. The 2014 Mazda 3 Grows Up With Sophisticated New Look And Impressive Technology 2013-06-28T03:05:00Z Each is stopped when optimally swollen with kinetic energy, ready to crash but never able to. Q&A with wave photographer Pierre Carreau 2013-06-04T17:00:07Z It would use all its kinetic energy to accelerate, and that power would be returned when it decelerates through energy regeneration. Elon Musk's Hyperloop Can Get You From LA to San Francisco In 30 Minutes 2013-05-31T14:20:52Z What is the kinetic energy after 2 m of travel? College Physics for AP Courses 2015-08-12T00:00:00Z But part of our soap molecules are polar, so the microwave radiation caused these molecules to spin and build up kinetic energy, which created heat. Soapy Science: How Microwaves Affect Matter 2013-05-16T14:15:00.210Z The U.S. military forged ahead with research on weapons using radiation, particle beams, nuclear energy, and kinetic energy. We tried to weaponize the weather 2013-04-27T19:00:00Z Pavegen is not alone in harvesting human kinetic energy to generate electricity. Energy-Harvesting Street Tiles Generate Power from Pavement Pounder 2013-04-20T12:45:00.527Z Substitute to get Shoot the bullet with twice as much kinetic energy and it will simply lose twice as much kinetic energy over the same distance. Under What Conditions Can A Bullet From Your Gun Circle The Planet And Hit You In The Back? 2013-04-09T15:03:35Z What information do you need to calculate the kinetic energy and potential energy of a spring? College Physics for AP Courses 2015-08-12T00:00:00Z McIlroy dug in, his body a bundle of pent-up kinetic energy -- seat belts, everyone -- then made the ferocious athletic swing. Life In The Big Pool 2013-04-02T04:00:00Z The sun imparted energy into the air masses constantly, but only some of it became kinetic energy. We tried to weaponize the weather 2013-04-27T19:00:00Z For example, AllThingsD describes him as “well-spoken and adorkable” and “very adept at charming cranky media types with the kinetic energy of someone born in the mobile world.” Marissa Mayer Gives 17-Year-Old Brit a $30 Million Payday 2013-03-26T12:11:35Z For copper, that corresponds to a kinetic energy per molecule that you reach at only 500 m/s. Under What Conditions Can A Bullet From Your Gun Circle The Planet And Hit You In The Back? 2013-04-09T15:03:35Z What is the kinetic energy of the fired dart? College Physics for AP Courses 2015-08-12T00:00:00Z The patent application contains some other interesting features, including the use of both “a solar panel beneath the display” and a mechanism to capture the kinetic energy of the user’s arm motion. The iWatch As Snap Bracelet? Apple Just Got The Patent. 2013-02-21T14:39:17Z A Toyota Prius operates more efficiently in stop-and-go traffic, for example, since it depends on recouping kinetic energy otherwise lost when the brakes are applied. Acceleration, not speed, behind BMW diesel launch in U.S. 2013-01-13T23:47:58Z The kinetic energy of a moving object is one-half of its mass multiplied by the square of its velocity. Saving Lives in Serenity: Can a Fanboy and Physics Change a Movie? 2013-01-10T14:45:00.373Z Shoot the bullet that fast, and if all the kinetic energy went into heating the bullet, you’d melt it, or at least bring it to the melting point. Under What Conditions Can A Bullet From Your Gun Circle The Planet And Hit You In The Back? 2013-04-09T15:03:35Z How do the relative amounts of potential and kinetic energy in this system change over time? College Physics for AP Courses 2015-08-12T00:00:00Z The battery, developed by Zhong Lin Wang and colleagues at the Georgia Institute of Technology, converts the kinetic energy from motion into chemical energy, which can then be used to power any device. Battery On Shoe Charges With Every Step 2013-01-09T16:15:38Z Fisher discharges enormous kinetic energy, and he has bad knees. Ivan Fisher, Defender of the Notorious, and Now Himself 2013-01-05T15:52:45Z As the tyres bounce they convert kinetic energy into heat, thus wasting it. Fuel-saving tyres: Hysterectomy 2013-01-03T16:05:38Z Flywheel storage converts electric energy into the kinetic energy of a rotating mass. Guest Post: Can we store electricity to transform the grid? 2012-12-19T17:45:03.207Z If air resistance exerts a force of 10 N, what is the kinetic energy when the rock hits the ground? College Physics for AP Courses 2015-08-12T00:00:00Z Until this new system was developed, capturing kinetic energy required converting mechanical energy into electricity, which would then be converted into chemical energy for long- or short-term storage. Battery On Shoe Charges With Every Step 2013-01-09T16:15:38Z Living in the blur of its kinetic energy, you get the idea that everything else is standing still, when it isn't. Opinionator: The Long Walk Home 2012-11-10T02:00:18Z In fact, a dark sky is essential: the meteors are faint, because the particles in the newfound stream are small and their speeds slow; it is kinetic energy that largely determines a meteor's brightness. The Return of a Great 19th-Century Meteor Shower 2012-10-19T14:15:00.210Z To discharge, the flywheel’s kinetic energy is used to spin an electric generator and output electric current. Guest Post: Can we store electricity to transform the grid? 2012-12-19T17:45:03.207Z In an elastic collision, kinetic energy is the same before and after. College Physics for AP Courses 2015-08-12T00:00:00Z This corresponds to a temperature of a few microkelvins and to the kinetic energy of an atom moving with a velocity of a few centimeters per second. Cavity Quantum Electrodynamics 2012-10-09T20:45:02.517Z Laser cooling, which drains kinetic energy from atoms by scattering photons, brings the ions almost to rest within the trap. Quantum Computing with Ions [Repost] 2012-10-09T18:15:00.540Z These two major announcements show the Q&A site is gaining kinetic energy. Co-Founder Charlie Cheever Leaves And Quora Is Curve Jumping 2012-09-12T07:34:59Z Light Up Africa – Light Up Africa provides renewable energy to marginalized populations in Kenya through The Zoom Box, an efficient and affordable kinetic energy storage device. Impact Engine Accepts First Batch Of Startups For Social Enterprise 2012-08-07T15:14:00Z In an inelastic collision, kinetic energy is not the same before and after the collision. College Physics for AP Courses 2015-08-12T00:00:00Z Unconscious patients, for instance, generate little kinetic energy. Medical implants: A sweet idea 2012-06-28T15:03:25Z When the laser intensity is low, the electromagnetic forces trapping atoms are weak, so kinetic energy dominates and atoms are footloose. Quantum Horse Races and Crystals of Light 2012-06-25T17:45:03.767Z These electrons are then accelerated by the infrared light and return to their atoms, where they convert their kinetic energy into X-ray radiation. X-ray lasers from tabletop device 2012-06-08T00:42:36Z And the drop slows only slightly, keeping its kinetic energy rather than blasting the bug. Mosquitoes Navigate Rain By Not Caring 2012-06-06T01:15:05.210Z This lack of conservation means that the forces between colliding objects may remove or add internal kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z "I think the fire was a lot to do with that kinetic energy thing which sparked," Ecclestone said. Bernie Ecclestone says Kers responsible for fire in Williams garage 2012-05-30T09:55:36Z The erg is the kinetic energy of a mass of 2 gm. moving with a velocity of 1 cm. per sec. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z If a weight sinks, it must create perforce kinetic energy, or heat, or some other form of energy. Popular scientific lectures 2012-04-24T02:00:17.273Z The horse is elegant and excruciating, an exercise in kinetic energy and imagination. Olympics: U.S. Men?s Gymnastics Team Struggles to Master the Pommel Horse 2012-04-14T18:01:18Z But the internal kinetic energy is zero after the collision. College Physics for AP Courses 2015-08-12T00:00:00Z Thomson's theorem asserts that the motion actually taken has less kinetic energy than that of any of the other motions which have the same motion of the bounding surface. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z In this case it is said to possess kinetic energy, or energy of motion. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z There are actually two different kinds of energy: potential energy, which is stored energy, and kinetic energy, which is energy in motion. Snappy Science: Stretched Rubber Bands Are Loaded with Potential Energy! 2012-04-05T14:15:00.217Z Some of that becomes kinetic energy of air, driving movements ranging from large-scale flows such as the jet streams down to small gusts and eddies. Rainfall Dissipates Energy via Friction with Air 2012-02-23T23:15:05.473Z A collision in which the objects stick together is sometimes called a perfectly inelastic collision because it reduces internal kinetic energy more than does any other type of inelastic collision. College Physics for AP Courses 2015-08-12T00:00:00Z Thus when v is given, I is increased by any constraint compelling the rod to rotate about a particular axis, and so ½Iv, or the kinetic energy, is increased. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z The whole energy at any moment is the sum of the potential and kinetic energy, and this sum remains constant so long as the amplitude of the vibration remains the same. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Can you define an equation that expresses the relationship between potential and kinetic energy in this system? Snappy Science: Stretched Rubber Bands Are Loaded with Potential Energy! 2012-04-05T14:15:00.217Z "In fact, it's always a bit surprising to me how small the total amount of kinetic energy generated is and thus how much is dissipated," says Trenberth. Rainfall Dissipates Energy via Friction with Air 2012-02-23T23:15:05.473Z In fact, such a collision reduces internal kinetic energy to the minimum it can have while still conserving momentum. College Physics for AP Courses 2015-08-12T00:00:00Z What used to be called the "vis viva" of a body is double what is now called the energy of motion, or kinetic energy, of the body. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z Once attached, put your phone on a flat surface and spin it. nVolt uses kinetic energy generated by the rotations to do the re-charging. Hydrogen and Kinetic Energy Will Keep Phones Ringing 2012-01-27T01:45:00.217Z What do you think this indicates about the relationship between potential and kinetic energy when using rubber bands? Snappy Science: Stretched Rubber Bands Are Loaded with Potential Energy! 2012-04-05T14:15:00.217Z A second-order approximation of the problem suggests that, as the skater approaches the pole, some kinetic energy is transformed into rotational energy. Wordplay Blog: Numberplay: The Five-Pirate Puzzle 2012-01-23T16:11:20Z During the collision, the spring releases its potential energy and converts it to internal kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z Through such processes, black holes are the most powerful engines in the universe, converting gravitational energy to heat, light and kinetic energy of particles. Astronomers Catch Black Hole Spitting Out Material 2012-01-11T20:15:28.217Z As layers of liquid slide over each other, magnetic field lines get stretched, and the result is an amplification of the magnetic field itself, at the expense of the kinetic energy of the fluid. Book Review: Our Magnetic Earth, by Ronald Merrill 2011-12-28T17:15:12.157Z But when the can is opened, the potential energy quickly converts to kinetic energy as the fake snake jumps out. Snappy Science: Stretched Rubber Bands Are Loaded with Potential Energy! 2012-04-05T14:15:00.217Z The flywheel of a steam engine in motion is an example of a body possessing kinetic energy. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Once this velocity is determined, we can compare the internal kinetic energy before and after the collision to see how much energy was released by the spring. College Physics for AP Courses 2015-08-12T00:00:00Z As already pointed out also, the whole mass gains, in varying degree, energy of motion or kinetic energy. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z As Kemball-Cook describes his invention: "Every time someone walks on the slab, it converts the kinetic energy from the footstep into electricity, so it is an off-grid power solution within urban spaces and transport infrastructure." Paving Slab Generates Electricity with Footfalls 2011-11-14T20:45:00.237Z Teachers say they have been surprised by the sophistication of some of the freshmen projects, like a device to harvest kinetic energy that is now being patented. Why Science Majors Change Their Minds (It?s Just So Darn Hard) 2011-11-04T16:29:54Z These examples illustrate potential energy, as distinguished from kinetic energy. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The internal kinetic energy in this collision increases by 5.46 J. That energy was released by the spring. College Physics for AP Courses 2015-08-12T00:00:00Z The moving material comprises the piston, piston-rod, and connecting-rod, which are, one and all, endowed with both cohesive and kinetic energy qualities, and form together the transmission machine. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z The conversion of kinetic energy into heat never looked so bright on prime time television. Bats: Fox Camera Gives World Series a Different Look 2011-10-20T15:53:02Z Already millions of pieces of refuse five millimeters and up circle Earth in a high-velocity swarm, each packing enough kinetic energy to disable a satellite. On the Trail of Space Trash 2011-10-20T11:45:00.257Z Straight-on kickers lock their ankles, with the foot approximately perpendicular to the leg, which enables them to transfer the kinetic energy of the swinging leg to the ball very efficiently. The science behind kicking a field goal gives soccer style an advantage 2011-10-17T19:20:02Z If you do this calculation, you will find that the internal kinetic energy is less after the collision, and so the collision is inelastic. College Physics for AP Courses 2015-08-12T00:00:00Z In this way the velocity or kinetic energy limit is imposed. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z Pulse pressure measures the actual driving force, the kinetic energy of the heart. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z But some of us, under what we consider wiser guidance, hold that what we should understand by kinetic energy is nothing of this sort. Spencer's Philosophy of Science The Herbert Spencer Lecture Delivered at the Museum 7 November, 1913 2011-09-25T02:00:15.883Z Millions of pieces of debris five millimeters and up circle Earth in a high-velocity swarm, each packing enough kinetic energy to disable a satellite. U.S. Taking Initial Steps to Grapple with Space Debris Problem 2011-08-31T18:45:00.250Z First, an elastic collision conserves internal kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z Energy of position is as truly a form of energy as heat or kinetic energy. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z There is one in Hell’s Kitchen that has been bashed over in such a way that it looks poised to leap on a pedestrian, as if imbued with a kinetic energy by a master sculptor. City Room: Still a City Fixture, Many Call Boxes Overstay Their Welcome 2011-08-25T04:15:32Z The team identified 28 antiprotons with kinetic energies between 60 million and 750 million electron volts. Antimatter Belt Found Circling Earth 2011-08-09T20:55:14Z The more kinetic energy there is, the heavier these daughter particles can be. Looking for the Higgs: Enemy in sight? 2011-07-27T17:30:45Z Conservation of kinetic energy and momentum together allow the final velocities to be calculated in terms of initial velocities and masses in one dimensional two-body collisions. College Physics for AP Courses 2015-08-12T00:00:00Z Another important feature of this energy transmission machine is the velocity, or rather the kinetic energy, of the band. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z The nineteenth century is the age of kinetic energy: the energy of either solid, liquid, gaseous or electrical matter transformed into useful work. Inventions in the Century 2011-07-20T02:00:14.643Z A flywheel can temporarily store the kinetic energy from the bicycle when the rider needs to slow down, according to von Stein. A Bike That Uses Its Brakes for a Speed Boost (and Other Student Engineer Inventions) [Video] 2011-06-24T10:15:00.257Z Subway trains need a lot of electricity to get going, turning electricity into kinetic energy, the energy of movement. Green: Saving Juice on a Philadelphia Subway Line 2011-06-13T12:07:29Z A collision in which the objects stick together is sometimes called perfectly inelastic because it reduces internal kinetic energy more than does any other type of inelastic collision. College Physics for AP Courses 2015-08-12T00:00:00Z The magnitude of the transmission process is directly proportional to this velocity, and is, therefore, also a function of the kinetic energy. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z Since they are perfectly elastic, they do not lose energy when they collide; they will emerge from the computer with the same amount of kinetic energy we gave them at the beginning. The Fundamental Physical Limits of Computation 2011-06-01T17:45:02.143Z As has been already stated, the steam-engine is a machine which is especially designed to transform energy, originally dormant or potential, into active and usefully available kinetic energy. A History of the Growth of the Steam-Engine 2011-04-21T02:00:53.240Z When a pendulum is vibrating, there is a continual transformation of potential into kinetic energy, and vice versa. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z An object that has a small mass and an object that has a large mass have the same kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z This kinetic energy is an important feature in the constitution of the transmission machine. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z The mechanism that launched them into the computer can then be used to absorb their kinetic energy. The Fundamental Physical Limits of Computation 2011-06-01T17:45:02.143Z The tendency of all forms of kinetic energy is continually toward reduction to forms of molecular motion, and to their final dissipation uniformly throughout space. A History of the Growth of the Steam-Engine 2011-04-21T02:00:53.240Z "The kinetic energy of a moving body is equal to one half its mass times the velocity squared," is how Bailes and other scientists put it. Dave Duerson's Suicide, and the Mounting CTE Concerns 2011-02-23T19:35:13Z Starting with the definitions of momentum and kinetic energy, derive an equation for the kinetic energy of a particle expressed as a function of its momentum. College Physics for AP Courses 2015-08-12T00:00:00Z At first sight, it would appear as if this energy were simply energy of motion or kinetic energy. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z The only possible mechanism for individual super-WIMPs to lose kinetic energy is to convert a tiny bit of it into gravitational radiation. Readers Respond to "Climate Heretic" and Other Articles 2011-02-18T15:15:00.277Z It had been shown from the kinetic theory by Maxwell that in a gas-column the mean kinetic energy of the molecules is the same at all heights. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The heat loss drains kinetic energy from the wire—and hence the attached satellite--producing electrodynamic drag that will slow the spacecraft until it falls low enough into the atmosphere to burn up. Space Age Fish Tale Gets Lost in Translation 2011-02-04T16:22:23Z Show that both momentum and kinetic energy are conserved. College Physics for AP Courses 2015-08-12T00:00:00Z Before any transmission can take place, however, a certain amount of energy must be stored in the moving system, partly as cohesion or strain energy and partly as energy of motion or kinetic energy. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z In our particular arrangement, kinetic energy is ultimately converted into a compression of the forehead. Abstract City: Unpopular Science 2010-10-25T15:45:00Z Energy of motion is usually called “kinetic energy.” Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Ask any Saints player or coach in attendance and they’ll tell you they were blown away by the raw emotion and kinetic energy at home games throughout the 2006 season. How Hurricane Katrina Helped Save the Saints 2010-08-30T11:35:00Z Explain why the change in velocity is different in the two frames, whereas the change in kinetic energy is the same in both. College Physics for AP Courses 2015-08-12T00:00:00Z By the application of the energy at the crank, it is thrown into a state of strain, and at the same time is endowed with kinetic energy of rotation. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z But the new shocks can use the kinetic energy of bounces to generate watts, putting the electricity to use running the vehicle’s windshield wipers, fans or dashboard lights, for example. Novelties: Shock Absorbers That Generate Power for Cars 2010-06-05T20:12:00Z A simple example of the transformation of kinetic energy into potential energy, and vice versa, is afforded by the pendulum. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Measuring the relationship between potential and kinetic energy is the key to defining whether something is walking or running. 2010-02-12T05:06:00Z Figure 10.14 The motor works in spinning the grindstone, giving it rotational kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z It is really the manifestation of the pressure or thrust aspect of the work energy, just as the kinetic energy is the manifestation of the translational or velocity aspect. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z In gentle braking, all that happens is the electric generator in the powertrain takes up the load, slowing the car by collecting its kinetic energy and re-charging its battery. 2010-02-11T11:49:00Z Thus the estimation of kinetic energy is intimately affected by the choice of our base of measurement. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z For example, when walking, as an animal raises its foot from the ground and moves it forwards, it is converting the stored energy in its muscles and tendons - the potential energy - into kinetic energy. 2010-02-12T05:06:00Z The work she does to pull in her arms results in an increase in rotational kinetic energy. College Physics for AP Courses 2015-08-12T00:00:00Z The word of command, "March," is the exciting force which suddenly transforms this potential into kinetic energy. The Mechanism of Life The most that can be said about this type is that its earlier stages are related to its later ones as potential is to kinetic energy. Creative Intelligence Essays in the Pragmatic Attitude Available kinetic energy is possessed by a system of two or more bodies in virtue of the relative motion of its parts. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z As its foot lands, the kinetic energy converts back into potential energy, and then back into kinetic energy as the foot is once again raised, and so on. 2010-02-12T05:06:00Z The kinetic energy before the collision is the incoming disk's translational kinetic energy, and after the collision, it is the rotational kinetic energy of the two stuck together. College Physics for AP Courses 2015-08-12T00:00:00Z The catalyzer plays the same r�le in a chemical transformation as does the minimal exciting force which sets free the accumulation of potential energy previous to its transformation into kinetic energy. The Mechanism of Life It, too, owes its activity to the transformation of potential energy into kinetic energy. Naturalism And Religion Little by little it was losing its excess of kinetic energy. The Scarlet Lake Mystery All the time the creature is walking, the energy is transferred back and forth between potential and kinetic energy. 2010-02-12T05:06:00Z The more rotational inertia an object has, the harder it is to rotate rotational kinetic energy: the kinetic energy due to the rotation of an object. College Physics for AP Courses 2015-08-12T00:00:00Z It is the external work of pressing the trigger that liberates the potential energy of the powder, transforming it into the actual energy of combustion, and the kinetic energy of the projectile. The Mechanism of Life That, however, was potential energy, dormant within the organism till aroused; but what we have here in mind is active or kinetic energy. Psychology A Study Of Mental Life In case of a very complex structure of this kind it is possible to conceive of certain particles acquiring sufficient kinetic energy to be projected from the system. A History of Science, Volume 5(of 5) Aspects Of Recent Science But while running, the exchange between potential energy and kinetic energy is continuous - rather than one form of energy being recycled into the other, back and forth, the energy exchange is happening all the time. 2010-02-12T05:06:00Z Helicopters store large amounts of rotational kinetic energy in their blades. College Physics for AP Courses 2015-08-12T00:00:00Z Thus, when an external force has released the weight, the molecular orbits in the falling body change in form, and the potential energy of the molecular motion becomes the kinetic energy of the falling body. The Mechanism of Life Protons with a kinetic energy of ten to the nineteenth electron volts, while statistically rare, are not unusual. Hanging by a Thread As its velocity dropped and its kinetic energy grew less, it would meet material easier to penetrate. Astounding Stories of Super-Science January 1931 The wind added its modicum of kinetic energy, ruffling across the gray-black surface. The Leech Identify the rotational term analogous to each of the following: acceleration, force, mass, work, translational kinetic energy, linear momentum, impulse. College Physics for AP Courses 2015-08-12T00:00:00Z The kinetic energy of the rapid movement was found to absorb within itself the latent energy of the unequal pressure. Astounding Stories of Super-Science April 1930 This velocity, of course, gave each departing fragment exactly the amount of kinetic energy it required to enable it to overcome the backward pull of the Earth from here to infinity. John Jones's Dollar On the other hand the flyer, coming from the earth, would meet material easy to penetrate and gradually lose its velocity and consequently its kinetic energy. Astounding Stories of Super-Science January 1931 Little metal pellets struck it, and their kinetic energy was absorbed, their mass converted. The Leech Thermal energy is defined to be the average translational kinetic energy KE of an atom or molecule. College Physics for AP Courses 2015-08-12T00:00:00Z This is converted into kinetic energy in striking against the paddles, and after this we have potential energy again produced by the action of the fly-wheel. The Romance of Mathematics Being the Original Researches of a Lady Professor of Girtham College in Polemical Science, with some Account of the Social Properties of a Conic; Equations to Brain Waves; Social Forces; and the Laws of Political Motion. The energy of a body which is due to its motion, is called kinetic energy. Manhood of Humanity. To reply to the first we must consider two things, kinetic energy and resistance to the passage of a body. Astounding Stories of Super-Science January 1931 Frank Nelsen had the strange thought that, by his body's mounting velocity, enough kinetic energy was being pumped into it to burn it to vapor in an instant, if it ever hit the air. The Planet Strappers The temperature of gases is proportional to the average translational kinetic energy of atoms and molecules. College Physics for AP Courses 2015-08-12T00:00:00Z A body in motion thus possesses kinetic energy, which it must impart to some other body before it can be brought to a state of rest. Aether and Gravitation The old-fashioned, oil- or coal-burning power plants converted chemical energy into heat energy, converted that into kinetic energy, and that, in turn was converted into electrical energy. Damned If You Don't The kinetic energy of a moving body is represented by the formula ½mv2 where m is the mass of the body and v the velocity. Astounding Stories of Super-Science January 1931 The sun shines eternally steady only in consequence of the ceaseless kinetic energies which give it being. Essays Towards a Theory of Knowledge The chapter introduces concepts of kinetic energy and potential energy. College Physics for AP Courses 2015-08-12T00:00:00Z As the earth turns round in its orbit, however, and begins to approach the sun again, its potential energy decreases, while its kinetic energy increases with its increased velocity. Aether and Gravitation “Do you mean that that little thing is converting heat to kinetic energy?” The Big Bounce The kinetic energy of such a collision can be computed. Masters of Space In the case of water, it is called kinetic energy; in the stonep. Practical Mechanics for Boys The energy of a system includes its kinetic energy, potential energy, and microscopic internal energy. College Physics for AP Courses 2015-08-12T00:00:00Z |
随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。