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K.E. in Billiard Ball

  1. Nov 6, 2014 #1
    The question is,
    Is the K.E. energy conserved during the collision ?
    Given Data : Collision is elastic, ball of same mass.
    P.S. It is asked if the K.E. is conserved DURING the impact; not before or after it. After the collision & before it, I know the K.E. is conserved.
  2. jcsd
  3. Nov 6, 2014 #2

    Doc Al

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    Staff: Mentor

    What do you think?
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