A ball of mass 0.2 kh is droppped down vertically from a height of 1m above the ground. If it rebounds to a height of 0.64m, find the coefficient of restitution between the surface of the ball and ground.

A ball of mass 0.2 kh is droppped down vertically from a height of 1m

1.	A ball of mass 0.2 kh is droppped down vertically from a height of 1m above the ground. If it rebounds to a height of 0.64m, find the coefficient of restitution between the surface of the ball and ground.
Answer» 0.32 0.64 0.16 0.8 Answer :D