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Pendulum string and ball question

  1. May 17, 2005 #1
    Hi! Here is a phyics problem I am having trouble with:

    A simple pendulum is made from a 0.58 m long string and a small ball attached to its free end. The ball is pulled to one side through a small angle and then released from rest. After the ball is released, how much time elapses before it attains its greatest speed?

    so far the only thing I've found is the frequency = .654 cycles/sec
    i know its greatest speed would be when the pendulum is completely vertical (theta = 0), I just can seem to relate the two

    any help would be appricated! thanks!
  2. jcsd
  3. May 17, 2005 #2


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    You need this baby: T/4.Do you know why?


    P.S.What's the definition of a period of oscillation...?
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