A body falls on the ground from a height of 10 m and rebounds to a height of 2.5 m.
Channel: Doubtnut
Date: 23/08/2020

A body falls on the ground from a height of 10 m and rebounds to a height of 2.5 m. Calculate (i) the percentage loss of kinetic energy of the body during the collision with the ground and (ii) the ratio of the velocities of the body just before and just after the collision.