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Homework Help: Compression of a spring

  1. Sep 20, 2012 #1
    Question: A block of mass m and speed v collides with a spring, compressing it a distance deltaX. What is the compression of the spring if the mass of the block is halved and its speed is doubled?

    I have no idea how to do this problem. If anyone can explain this to me it would be GREATLY appreciated. Thank you!
  2. jcsd
  3. Sep 20, 2012 #2
    Have you attempted to use conservation of energy principles?
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