Two bodies of masses 5kg and 3kg are moving towards each other with 2ms-1 and 4ms-1 respectively. Then velocity of centre of mass is
0.25ms-1 towards 3kg
0.5ms-1 towards 5kg
0.25ms-1 towards 5kg
0.5ms-1 towards 3kg
vcm=m1v1+m2v2m1+m2