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Kinetic Friction Problem

  1. Oct 20, 2014 #1
    Thanks everyone for your help.
     
    Last edited: Oct 20, 2014
  2. jcsd
  3. Oct 20, 2014 #2

    NTW

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    The velocity is constant, and that means that the acceleration is zero. That has something to do with the net force...
     
  4. Oct 20, 2014 #3

    Doc Al

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    Staff: Mentor

    OK, but that step was unnecessary. (You were given mg, and that's what you need.)

    mk, usually symbolized as ##\mu_k##, is what you are solving for. Use NTW's hint to determine for the force of friction, Ff. Then you can solve for the coefficient of friction.
     
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