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  3. J & K CET Engineering

J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    In a head on elastic collision of a very heavy body moving at V with a light body at rest, velocity of heavy body after collision is

    A)  \[V\]

    B)  \[2\,V\]

    C)  zero          

    D)  \[\frac{V}{2}\]

    Correct Answer: A

    Solution :

    In a perfectly elastic collision the relative velocity remains unchanged in magnitude but reversed in direction. Therefore, velocity of heavy body after collision is V.


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