Work, Energy and Power

Question: A ball of mass m moving with velocity V, makes a head on elastic collision with a ball of the same mass moving with velocity 2V towards it. Taking direction of V as positive velocities of the two balls after collision are

1) $ - V$ and $2V$

2) $2V$and $ - V$

3) V and$ - 2V$

4) $ - 2V$ and $V$

Solution:

Explanation: No Explanation

WEP Elastic and Inelastic collision

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