please answer this question Share with your friends Share 0 Sagar Kumar answered this Dear Student,Masses:- m1 and m2Velocity:- Before collision :- u1 and 0 m/sec(body at rest) After collision :- v1 and v2Total momentum before collison:-m1u1+m2×0 =m1u1Total momentum after collison:-m1v1+m2v2since no external force is actingTherefore, Total momentum before collison is equal to Total momentum after collisonSo, m1u1 =m1v1+m2v2option (b) is correctRegards 0 View Full Answer