A ball of mass `4 kg` moving with a velocity of `12 m//s` impinges directly on another ball of mass
Channel: Doubtnut
Date: 2020-07-12

A ball of mass `4 kg` moving with a velocity of `12 m//s` impinges directly on another ball of mass `8 kg` moving with velocity of `4 m//s` in the same direction. Find their velocities after impact and calculate the loss of `KE` due to impact if `e =0.5`.