A ball of mass 1 kg is dropped from 20 m height on ground and it rebounds to height 5m. Find magnitude of change in momentum during its collision with the ground. (Take `g=10m//s^(2)`)

A body of mass m falls from a height h_1 and rises to a height h_2 . The magnitude of the change in momentum during the impact with the ground.

A ball falls on the ground fro a height of 2.0 m and rebounds up to a height of 1.5 m. Find the coefficient of restitution.

A body of mass m=2kg falls from a height h=10m from the ground level . What is the magnitude of total change in momentum of the body before it strikes the ground?

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 of mass 1kg is dropped from a height of h = 5m. It rebounds losing 50% of its total mechanical energy during collision. Then choose the correct statement(s) from the following .

A ball of mass 1 kg is dropped from height 9.8 m, strikes with ground and rebounds at height 4.9 m, if the time of contact between ball and ground is 0.1 s then find impulse and average force acting on ball.

A metal ball of mass 60 g falls on a concrete floor from a vertical height of 2.8 m and rebounds height of 1.3 m. Find the change in K.E. in S.I. units.

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 (ii). The ratio of the velocities of the body just before and just after hte collision.

A ball of mass 100 gram falls from 20 m height on floor and rebounds to 5m. Time of contact is 0.02s. Find average force acting on it during impact. (g = 10 m/ s^(2) )

A rubber ball is dropped from a height of 5 m on a plane. If bounces back to a height of 1.8 m. Find the coefficient of the resitution for the collision.