A ball is released from some height & rebounds with same speed after hitting the ground.If it travels 20m in first 8 seconds find the no of collision.

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 tennis ball dropped from a height of 2 m rebounds only 1.5 metre after hitting the ground. What fraction of energy is lost in the impact?

A ball released from a certain height strikes the ground after 2 second. After bouncing from the ground it rises to the highest point in 1 second. What is the coefficient of restitution?

A 500 g ball is released from a height of 4m. Each time it makes contact with the ground, it loses 25% of its kinetic energy. Find the kinetic energy it possess just after the 3^(rd) hit

A ball is released from rest. If it takes 1 second to cross the last 20 m before hitting the ground, find the height from which it was dropped.

A tennis ball is released from height h above ground level. If the ball makes inelastic collision with the ground, to what height will it rise after third collision