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Potential energy problem pls help

  1. May 25, 2009 #1
    The potential energy in space is given as a function of polar coordinates by the following:


    U(r , therta) = Acos therta / r^2


    Given that A = 46 N∙m3, determine the x-component of the corresponding force at the location x = 1.7 m, y = 1.2 m.

    pls derive a formula to solve this equation
     
  2. jcsd
  3. May 25, 2009 #2

    tiny-tim

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    Hi xgoodtimesx! :wink:

    Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
     
  4. May 25, 2009 #3
    Hi tim,

    the problem is i dont even know where to start x_X stuck in the begining
     
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