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Discussion :: Applied Mechanics

  1. Pick up the correct statement from the following 

    2. A.

    If two equal and perfectly elastic smooth spheres impinge directly, they interchange their velocities.
    B.

    If a sphere impinges directly on an equal sphere which is at rest, then a fraction  \(\frac { 1 } { 2 }\)(1 - e2) the original kinetic energy is lost by the impact.
    C.

    If a smooth sphere impinges on another sphere, which is at rest, the latter will move along the line of centres.
    D.

    If two equal spheres which are perfectly elastic impinge at right angles, their direction after impact will still be at right angles.
    E.

    All the above.

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    Answer : Option E

    Explanation :

    No answer description available for this question

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