Question

a person jumping from a height which energy conversation​

Answer 1

Required Answer:-

Your kinetic energy is greatest, just before you hit the trampoline on the way down and when you leave the trampoline surface on the way up. Your kinetic energy is 0 when you reach the height of your jump and begin to descend and when are on the trampoline, about to propel upwards.

hope it will help

Answer 2

Answer:

 It is due to decrease of height above the ground level Gravitational potential energy decreases and gets converted in to his kinetic energy.