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Homework Help: Need help on rotation problem

  1. Nov 9, 2005 #1
    I totally don't know how to do the problem. :frown:
    Is it related to conservation of angular momentum?
    Does the angular velocity equal to 2pi/38 days?
  2. jcsd
  3. Nov 9, 2005 #2


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    Homework Helper

    Yes - to both questions! :)
  4. Nov 9, 2005 #3
    thx, I get the answer now :)
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