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 body dropped from a height of 20 m rebounds to a height of 15 m. What is the loss is energy?

A ball falls on the ground from a height of 10m and rebounds to a height of 8m. What is the percentage loss kinetic energy of the ball? (g=10m//s^(2))

A ball is dropped on the floor a height of 80 m rebounds to a height of 20 m . If the ball is in contact with floor for 0.1 s, the average acceleration during contact is

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 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 dropped on to the floor from a height of 10 m. It rebounds to a height of 2.5 m. If the ball is in contact with the floor for 0.01 sec, what is the average acceleration during contact ?

A ball is dropped on the floor from a height of 10m. It rebounds to a height of 2.5 m if the ball is in contact with floor for 0.01 s then the average acceleration during contact is nearly

A tennis ball is dropped on to the floor from a height of 4.00 m . It rebounds to a height of 3.00 m . If the ball was in contact with the floor for 0.010 sec , what was its average acceleration during contact?