Question

true or false?
a person who jumps into a pool will hit the water with the same amount of kinetic energy as the amount of potential energy they had from the height they jumped.

Answer 1

True. According to the principle of conservation of energy, the total mechanical energy (which includes potential energy and kinetic energy) of a system remains constant, assuming no external forces like air resistance or friction are acting on the system. Therefore, when someone jumps into a pool, the potential energy they had from the height they jumped will be converted into kinetic energy as they fall, resulting in an equal amount of kinetic energy when they hit the water.