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Pendulum problem: particularly the wording Rest position.

  1. Nov 17, 2014 #1
    upload_2014-11-17_15-51-44.png
    3. The attempt at a solution
    It seems as though the rest point is at the ends of the pendulum swing.
    I know that the period of a pendulum is the time it takes the pendulum to make one
    full back-and-forth swing.
    I think this problem is wrong if the rest point means equilibrium point. Because then the Period would be .4 seconds.
     
  2. jcsd
  3. Nov 17, 2014 #2

    gneill

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    Staff: Mentor

    The question and explanation are fine. The initial rest point of the pendulum is where the pendulum rested before it was struck by the bullet.
     
  4. Nov 17, 2014 #3
    Thank you GNeill!!!
     
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