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B Pendulum in vacuum vs with air resistance

  1. Dec 3, 2016 #1
    If a pendulum consisting of a string and a bob is allowed to swing in a vacuum vs in air, which has larger period?
     
    Last edited: Dec 3, 2016
  2. jcsd
  3. Dec 3, 2016 #2

    mfb

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    Staff: Mentor

    Is this a homework problem?

    What do you think?
     
  4. Dec 10, 2016 #3
    dont forget about friction at the pivot point.
     
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