do this. Need urgently Find v of 3rd ball after collision. When coeff of restitution is e. Share with your friends Share 0 Shobhit Mittal answered this Dear Student, velocity of 2 be v after collision be v mu=mu'+mvu=u'+ve=v-u'ue=v-u+vueu=2v-uv=ue+12,u'=u-ue+12=ue-12velocity of 3 after collision with 2v'=ve+12=ue+124velocity of 3 after collision with 4v''=v'e-12=ue+124×e-12=ue+12e-18 this is the velocity of 3rd ball Regards 0 View Full Answer