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Calculate spring constant for cart attached to a spring

  1. Jun 6, 2012 #1
    1. The problem statement, all variables and given/known data
    A Cart is floating on an airtrack and is connected by a spring to one fixed object. The cart executes a simple harmonic motion with a period of 4 seconds. Its mass is 2kg. Its maximum displacement from rest position is 1.8m. Calculate the spring constant and provide units.


    2. Relevant equations
    F= -kx


    3. The attempt at a solution
    The units would be N/m i am guessing but i am still a little lost. k is the spring constant rearranged it should be:
    k = F/x right?

    COULD A MOD PLEASE REMOVE THIS OR MY OTHER THREAD. INTERNET CUT OUT BUT MUST HAVE SUBMITTED TWICE
     
    Last edited: Jun 6, 2012
  2. jcsd
  3. Jun 6, 2012 #2

    pcm

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    how do you relate k , period and mass?
     
  4. Jun 6, 2012 #3
    Hey pcm i posted in my other thread

    hoping this one gets removed... double posted by accident
     
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