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    Weldlhajja's Avatar
    Weldlhajja Posts: 1, Reputation: 1
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    #1

    Sep 26, 2012, 08:45 PM
    Period of a pendulum
    A pendulum with a constant length is suspended from the ceiling of an elevator, period of the pendulum is T. In instant the pendulum reaches it's highest position the elevator starts to free fall. What is the period of the pendulum if the elevator is freely falling?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    Sep 27, 2012, 05:49 AM
    Interesting question - what do you think the answer is? Start by thinking about how much you weigh if you're in an elevator car that is free falling.
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