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Chain Mail

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Posts posted by Chain Mail

  1. Here's an interesting exercise:

     

     

    The entire scenario takes place in one dimension of space.

     

    Ball B is at rest. Ball A has momentum pa.

     

    Ball A makes a head-on perfectly elastic collision with Ball B. Ball B then moves off with a momentum of pb.

     

     

    Prove that:

     

    [math]|\frac{p_b}{p_a}|<2[/math]

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