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Homework Help: Acceleration problem

  1. Oct 20, 2013 #1
    Hello I have a link to the problem #2. The directions are shown by letter and I had to assign the letters to the pictures below. I am wrong.. can someone help me please?

    http://i.imgur.com/lqEZFfl.jpg
     
  2. jcsd
  3. Oct 21, 2013 #2
    1 and 2 is correct, but not 3,4 and 5.
    Think of the sponge as a spring (backed by a solid material that does not move or give).
     
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