A ball of 0.5 kg mass moving with a speed of `10 m//s` rebounds after strinking normally a perfectly elastic wall . Find the change in momentum of the ball.

A ball of mass 0.5kg moving with a speed of 10m//s rebounds after striking normally a perfectly elastic wall. Find the change in momentum of the ball . If contact time with the wall is 0.1s , what force is exerted by wall?

When a ball of 0.5 kg mass moving with a speed of 20 ms^(-1) rebounds after striking normally a ferfectly elastic wall. Find the change in momentum.

A ball of mass 1 kg moving with a speed of 10 ms^(-1) rebounds after a pefect elastic collision with the floor. Calculate the change in linear momentum of the ball.

A cricket ball of mass 100 g moving with a speed of 30 "ms"^(-1) is brought to rest by a player in 0.03 s. Find the change in momentum of ball.

A ball of 0.1kg strikes a wall at right angle with a speed of 6 m/s and rebounds along its original path at 4 m/s. The change in momentum in Newton- sec is-

A ball of mass m moving with speed v towards the right strikes a wall moving towards the left with speed u . Find the change in the K.E. of the ball if the collision is elastic.

A ball of mass 0.5 kg moving with a velocity of 2 m//s strikes a wall normally and bounces back with the same speed . If the time of contact between the ball and the wall is 1 millisecond , the average force exerted by the wall on the ball is