A ball with a mass of 2 kg is rolling at 6 m/s and elastically collides with a resting ball with a mass of 9 kg. What are the post-collision velocities of the balls?
1 Answer
Sep 1, 2017
The velocity of the first ball is
The velocity of the second ball is
Explanation:
As the collision is elastic, we have conservation of linear momentum and conservation of kinetic energy.
so,
Solving for