A sphere of mass 0.3 kg moving wth a velocity of 4m/s collides with another sphere of mass 0.5 kg which is at rest. Assuming the collision to be elastic, their velocities after the impact are

A sphere of mass 0.3 kg moving wth a velocity of 4m/s collides with an

1.	A sphere of mass 0.3 kg moving wth a velocity of 4m/s collides with another sphere of mass 0.5 kg which is at rest. Assuming the collision to be elastic, their velocities after the impact are
Answer» 4m/s `0 m//s^(-1)` `-1m//s` and 3m/s 2m/s and 2m/s 4m/s and `8 m//s^(-1)` ANSWER :B