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Homework Help: Mass Spring

  1. Sep 29, 2008 #1
    1. The problem statement, all variables and given/known data
    A 1864 g mass is on a horizontal surface with mk = 0.380, and is in contact with a massless spring with a force constant of 631 N/m which is compressed. When the spring is released, it does 3.15 J of work on the mass while returning to its equilibrium position. Calculate the distance the spring was compressed.

    What is the velocity of the mass as it loses contact with the spring?

    2. Relevant equations

    3. The attempt at a solution
    None yet

    Would someone help me out with a starting point or some hints on this, thanks!
  2. jcsd
  3. Sep 29, 2008 #2


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    What is the definition of a Joule?
  4. Sep 29, 2008 #3
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