Billiard ball A moving to the right with a speed of 2 m/s collides with an identical stationary billiard ball B. Assuming that the collision is elastic, what happens after the collision?
Both move to the right with a speed of 2 m/s.
Both move to the right with a speed of 1 m/s.
Billiard ball A comes to a stop while B moves to the right with a speed of 2 m/s.
Billiard ball A comes to a stop while B moves to the right with a speed of 1 m/s.