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27 May, 13:33

a ball of mass 0.5 kg moving at 10 m/s collides with another ball of equal mass at rest. if the two balls move off together after the impact calculate their common velocity

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  1. 27 May, 13:47
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    5 m/s

    Explanation:

    Here we can see there is no external force acted on a two masses when we consider the motion. If there is no external forces then momentum is conserved.

    Initial momentum = Final momentum

    0.5 * 10 = 1 * V

    V = 5 m/s
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