A ball with a mass of 3 kg is rolling at 3 m/s and elastically collides with a resting ball with a mass of 1 kg. What are the post-collision velocities of the balls?
1 Answer
Jan 2, 2016
Explanation:
As wikipedia suggests:
[Equations' source]
Derivation
Conservation of momentum and energy state:
Momentum
Since momentum is equal to
Energy
Since kinetic energy is equal to
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