A small sphere of mass 1kg is moving with a velocity `(6hati+hatj)m//s` . It hits a fixed smooth
Channel: Doubtnut
Date: 2020-01-28

A small sphere of mass 1kg is moving with a velocity `(6hati+hatj)m//s` . It hits a fixed smooth wall and rebounds with velocity `(4hati+hatj)m//s`. The coefficient of restitution between the sphere and the wall is