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kinetic energy |
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kinetic energy: see energy energy, in physics, the ability or capacity to do work or to produce change. Forms of energy include heat , light , sound , electricity , and chemical energy. ..... Click the link for more information. . kinetic energyForm of energy that an object has by reason of its motion. The kind of motion may be translation (motion along a path from one place to another), rotation about an axis, vibration, or any combination of motions. The total kinetic energy of a body or system is equal to the sum of the kinetic energies resulting from each type of motion. The kinetic energy of an object depends on its mass and velocity. For instance, the amount of kinetic energy KE of an object in translational motion is equal to one-half the product of its mass m and the square of its velocity v, or KE = ¹⁄₂mv2, provided the speed is low relative to the speed of light. At higher speeds, relativity changes the relationship. |
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| The law of conservation of energy ensures that when the two balls collide, the cue ball will transfer some of its kinetic energy (energy of motion) to the colored one. The speeding molecules typically lose their extra kinetic energy in one of two ways: They transfer it as heat to another molecule via a collision, or they radiate a photon. The REXTM from SCIFIT features the new Orbi-Linear exercise movement designed to build kinetic energy as the user's legs move in a natural orbital motion, and their arms in a smooth arc. |
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kinetic energy
