A ball with a mass of 5 kg is rolling at 12 m/s and elastically collides with a resting ball with a mass of 2 kg. What are the post-collision velocities of the balls?
1 Answer
May 22, 2018
The velocities are
Explanation:
As the collision is elastic, there is conservation of momentum and conservation of kinetic energy.
Threfore,
Solving for
Therefore,