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Energy physics help: Finding spring constants

  1. Mar 29, 2012 #1
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    The question gives me a graph of spring 1 and spring 2 (which I will attach to the post) and it asks me what are the springs constants. I have no idea how to find the spring constants. I know that the Potential Elastic equation is (1/2)k(x^2), but I don't know where to start with looking at this graph!! Please help!!
    It's question 1a.

    1. The problem statement, all variables and given/known data


    2. Relevant equations

    E=1/2k(x^2)

    3. The attempt at a solution
     
  2. jcsd
  3. Mar 29, 2012 #2
    Hooke's Law:

    [tex]F = -kx[/tex]

    Knowing that, can you find the constant?
     
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