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Momentum of biker dragging foot

  1. Jul 11, 2005 #1
    A 77.0 kg rider sitting on a 6.6 kg bike is riding along at 8.1 m/s in the positive direction. The rider drags a foot on the ground and slows down to 4.0 m/s still in the positive direction. What is the change in momentum of the rider and bike?
  2. jcsd
  3. Jul 11, 2005 #2

    Doc Al

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    Staff: Mentor

    What's the definition of momentum?
  4. Jul 11, 2005 #3
    What Have You Done So Far
  5. Jul 14, 2005 #4
    I figured this out, thanks.
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