Question

Collision of two objects moving in different direction

Answer 1

If two objects make a head on collision, they can bounce and move along the same direction they approached from (i.e. only a single dimension). ... In other words, the total momentum in the x direction will be the same before and after the collision.

Answer 2

If two objects make a head on collision, they can bounce and move along the same direction they approached from (i.e. only a single dimension). ... In other words, the total momentum in the x direction will be the same before and after the collision.