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 20 ms^(-1) is brought to rest by a player . Find the change in momentum of ball.

(i) Two bodies have a mass ratio of 3:4 The force applied on the bigger mass produces an acceleration of 12ms^(-2) . What could be the acceleration of the other body, if the same force acts on it. (ii) A cricket ball of mass 100 g moving with a speed of 20ms^(-1) is brought to rest by a player . Find the change in momentum of ball.

(a) A cricket ball of mass 100g moving with a speed of 20ms^(-1) is brought to rest by a player. Find the change in momentum of ball. (b) Draw a ray diagram of formation of images by a convex lens.

A bullet of mass 50 g moving with a speed of 300 ms^(-1) is brought to rest in 1 s . Find the impulse and the force .

A ball of mass 0.50 kg moving at a speed of 5.0 m/s collides with another ball of mas 1.0 kg. After the collision the balls stick together ane remain motionless. What was the velocity of the 1.0 kg block before the collision?