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Homework Help: Change in the magnitude of the ball's momentum.

  1. Apr 2, 2009 #1
    A 204g ball falls vertically downward, hitting the floor with a speed of 2.57 m/s and rebounding upward with a speed of 2.10 m/s. Calculate the magnitude of the change in the ball's momentum.
    Answer: 9.53E-01 kg*m/s

    Calculate the change in the magnitude of the ball's momentum.

    i really dont know how to go about the the second question. Any help? or tips?
  2. jcsd
  3. Apr 2, 2009 #2


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    Homework Helper

    If you want to find the change in momentum taking in to consideration the magnitude and direction what will be the answer?
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