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Homework Help: Springs and simple harmonic motion

  1. Nov 29, 2007 #1
    1. The problem statement, all variables and given/known data
    If the initial period is 3.0 s and the mass is reduced to 1/3 of its initial value, what is the new period?


    2. Relevant equations

    Possibly T=2pi*squareroot(m/k)


    3. The attempt at a solution
    The solution is something close to 1.73. I have no idea what equation to use, even. Any assistance would be appreciated.
     
    Last edited: Nov 29, 2007
  2. jcsd
  3. Nov 29, 2007 #2

    Dick

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    Homework Helper

    You have the right equation, just use it. 3s=T=2pi*sqrt(m/k). Now change m->m/3. By what factor does T change?
     
  4. Nov 29, 2007 #3
    Yes!! Thank you!
     
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