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Pendulum problem

  1. Apr 23, 2008 #1
    How do you calculate the period of a physical pendulum?
     
    Last edited: Apr 23, 2008
  2. jcsd
  3. Apr 23, 2008 #2
    Hint:

    Calculate moment of inertia.The mass is known.'g' is of course known.

    [​IMG]

    where I is the moment of inertia; in this case I = mr^2/2. When θ is small, [​IMG] and therefore the expression becomes

    [​IMG]
     
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