A block of mass 1.2 kg moving at a speed of 20 cm /s collides head on with
Channel: Doubtnut
Date: 2020-07-05

A block of mass 1.2 kg moving at a speed of 20 cm /s collides head on with a similar block kept at est. The coefficient of restitution is 3/5. findthe loss of kinetic energy during the collision.