Two perfectly elastic spheres of masses 4kg and 6kg moving in opposite directions with velocities of 4m/s and 6m/s collide with each other. Their velocities after head on collision are

Two perfectly elastic spheres of masses 4kg and 6kg moving in opposite

1.	Two perfectly elastic spheres of masses 4kg and 6kg moving in opposite directions with velocities of 4m/s and 6m/s collide with each other. Their velocities after head on collision are
Answer» `0.4 m//s and -3.6m//s` `0.4 m//s and 0.8 m//s` `0.5 m//s and 1 m//s` `-8 m//s and 2 m//s` ANSWER :D