A bullet of mass 15 g has a speed of 400 m/s.
Channel: Doubtnut
Date: 2020-01-26

A bullet of mass 15 g has a speed of 400 m/s. What is its kinetic energy ? If the bullet strikes a thick target and is brought to rest in 2 cm, calculate the average net force acting on the bullet. What happens to the kinetic energy originally in the bullet ?