A ball is dropped from a height of 5 m, if it rebound upto height of 1.8 m, then the ratio of velocities of the ball after and before rebound is :

A ball is dropped from a height of 20m. it rebounds to a height on 10m. Calculate the loss of energy of the ball

A ball is dropped from a height of 20 m and rebounds to a height of 10 m. The loss of energy is

A ball is dropped from a height of 20 cm. The ball rebounds to a height of 10 cm. What is loss of energy?

A ball is dropped form a height of 20 cm . Ball rebounds to a height of 10 cm . What is the loss of energy ?

A ball dropped from a height of 2 m rebounds to a height of 1.5 m after hitting the ground. Then fraction of energy lost is

A ball dropped from a height of 2 m rebounds to a height of 1.5 m after hitting the ground. Then the percentage of energy lost is

A ball is falling a height of 50 m . It strikes the ground and rebounds to a height of 10 m . Calculate the velocity of the ball just before and after the collision . Also find the loss of kinectic energy of the ball during its collisio with ground .

A ball is dropped from a height h onto a floor and rebounds to a height h//6 . The coefficient of restitution between the ball and the floor is