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Conservation of energy problem.

  1. Nov 12, 2008 #1
    1. The problem statement, all variables and given/known data

    problem is here

    [​IMG][​IMG]

    2. Relevant equations



    3. The attempt at a solution
    for the #7 part

    [​IMG][​IMG]

    and for #8 here is where i wasnt too sure i was on the right track.

    [​IMG][​IMG]
     
    Last edited: Nov 12, 2008
  2. jcsd
  3. Nov 12, 2008 #2
    due tomorrow...going to bed would like to see if im on the right track.
     
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