Question

Bhumra from Mumbai Indians through a ball with 1800kmph (mass of the ball is 900gm). On the
other side R.C.B batsman Virat kohli strike that ball in opposite direction with the same speed into the
gallery. What is the change in momentum of the ball

Answer 1

If the second time the ball was thrown in the opposite direction, the change in momentum is

$$\Delta p=2mv=\\=2\cdot0.9\cdot(1800\cdot1000/3600)=900\text{ kg}\text{ m/s}.$$