There are instances where 100% of the initial kinetic energy in collisions between two perfectly inelastic objects is converted to non-kinetic energy.
Kinetic energy, which may be seen in an object's or subatomic particle's motion, is the energy underlying motion. Kinetic energy exists in every moving thing and particle. Kinetic energy is evident when something moves, such as when a person walks, a baseball soars, a piece of food falls off a table, or a charged particle moves in an electric field.
An item or particle's motion gives it kinetic energy, which it might use to move. When an item experiences work—the transfer of energy—by being subjected to a net force, it accelerates and acquires kinetic energy.
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