In an ideal elastic collision, what happens to the total kinetic energy of the two bodies?

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Multiple Choice

In an ideal elastic collision, what happens to the total kinetic energy of the two bodies?

Explanation:
Total kinetic energy is conserved in an ideal elastic collision. In this idealized scenario, all energy involved in the interaction remains as kinetic energy of the bodies; no energy is lost to heat, sound, or permanent deformation. The bodies may exchange kinetic energy during the collision, so one can speed up while the other slows down, but the total amount of kinetic energy before and after is the same. This reflects the collision being elastic, with the forces during impact being conservative and no irreversible energy dissipation.

Total kinetic energy is conserved in an ideal elastic collision. In this idealized scenario, all energy involved in the interaction remains as kinetic energy of the bodies; no energy is lost to heat, sound, or permanent deformation. The bodies may exchange kinetic energy during the collision, so one can speed up while the other slows down, but the total amount of kinetic energy before and after is the same. This reflects the collision being elastic, with the forces during impact being conservative and no irreversible energy dissipation.

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