A ball of mass 5 kg moving velocity `3m//s` impinges direction on another
Channel: Doubtnut
Date: 2020-04-12

A ball of mass 5 kg moving velocity `3m//s` impinges direction on another ball of mass 2 kg moving with velocity `0.5m//s` towards the first ball. Find the velocity after impact, if `e=(4)/(7)`