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Homework Help: Changes in energy w/ coefficient of friction

  1. Apr 8, 2010 #1
    EDIT: Never mind, I figured it out, please ignore this or mods delete it.
     
    Last edited: Apr 8, 2010
  2. jcsd
  3. Apr 8, 2010 #2

    rock.freak667

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    Homework Helper

    Work done against friction is negative. So your equation should be

    1/2mv^2=mgh - W
     
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