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Frequency of oscillations of object

  1. Jun 22, 2014 #1
    1. The problem statement, all variables and given/known data
    what's the frequency of the oscillations of object?


    2. Relevant equations



    3. The attempt at a solution
    since sin20t = sin wt ,
    so , w=20=2pi f ,
    my f is 20/2pi . the ans given is C .
    which is wrong?
     

    Attached Files:

  2. jcsd
  3. Jun 22, 2014 #2

    Doc Al

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    Staff: Mentor

    I'd say that you are correct and that the given answer is wrong.
     
  4. Jun 22, 2014 #3

    ehild

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    Homework Helper
    Gold Member

    Yours is correct. C is wrong.

    ehild
     
  5. Jun 22, 2014 #4

    rude man

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    I third the motion.
     
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