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Discussion :: Applied Mechanics and Graphic Statics

  1. A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

    2. A.

     1/3
    B.

     2/3
    C.

     1/9
    D.

     8/9

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    Answer : Option D

    Explanation :

    Explanation Not Provided

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