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Simple Pendulum Centripetal Acceleration

  1. Apr 29, 2012 #1
    1. The problem statement, all variables and given/known data
    http://screensnapr.com/v/tC6gC3.jpg


    2. Relevant equations
    Im guessing: Centripetal Acceleration = v^2/r
    PE = mgh
    KE = .5mv^2

    3. The attempt at a solution
    I tried to convert the givens into velocity by using .5mv^2, but that does not work.
     
  2. jcsd
  3. Apr 29, 2012 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Hint: Apply Newton's 2nd law.
     
  4. Apr 29, 2012 #3
    You sir, are a genius! Thanks!
     
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