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March 25, 2017

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Consider a perfectly elastic collision between two objects of equal mass. Object 1 is initially moving with a velocity v = 4.33 m/s while object 2 is at rest. What are the final velocities after the collision? Enter the final velocity of object 1 first.

  • Physics - ,

    The velocities are switched in this equal-mass elastic case.
    Object 1: 0
    Object 2: 4.33 m/s
    It is obvious from inspection that both total momentum and kineticenergy are conserved.

    This can be proven with simultaneous momentum and energy equations, and I recommend that you try to prove it that way.

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