Two identical balls A and B collide head on elastically. If velocities of A and B before the collision are + 0.5 ms^-1 and -0.3 ms^-1 respectively, then their respective velocities after collision are

Two identical balls A and B collide head on elastically. If velocities

1.	Two identical balls A and B collide head on elastically. If velocities of A and B before the collision are + 0.5 ms^-1 and -0.3 ms^-1 respectively, then their respective velocities after collision are
Answer» `+ 0.5 ms^-1` and `-0.3 ms^-1` `+ 0.5 ms^-1` and `+ 0.3 ms^-1` `+ 0.3 ms^-1` and `- 0.5 ms^-1` `-0.3 ms^-1` and `+0.5 ms^-1` ANSWER :D