A ball with a mass of #6 kg# moving at #8 m/s# hits a still ball with a mass of #12 kg#. If the first ball stops moving, how fast is the second ball moving?
1 Answer
Apr 30, 2018
The problem statement implies an elastic collision. Hence, the conservation of energy holds. Recall,
Given,
Hence,
is the speed of the second ball after the collision.