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Homework Help: Work needed to stretch a spring

  1. Oct 11, 2007 #1
    1. The problem statement, all variables and given/known data

    A spring has k = 88 N/m. Use a graph to determine the work needed to stretch it from x = 4.2 cm to x = 6.2 cm, where x is the displacement from its unstretched length.

    2. Relevant equations


    3. The attempt at a solution

    Fs=176 J
    Last edited: Oct 12, 2007
  2. jcsd
  3. Oct 12, 2007 #2


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    Staff Emeritus
    Science Advisor
    Gold Member

    The question asks you to determine the work done from a graph. Do you know how to calculate work from a force/distance graph?
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