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Homework Help: Conservation of energy problem.

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

    problem is here

    http://img151.imageshack.us/img151/1675/question7ql6.th.jpg [Broken]http://g.imageshack.us/thpix.php [Broken]

    2. Relevant equations

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

    http://img232.imageshack.us/img232/9079/problem7answerqq9.th.jpg [Broken]http://g.imageshack.us/thpix.php [Broken]

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

    http://img222.imageshack.us/img222/1459/problem8answerth8.th.jpg [Broken]http://g.imageshack.us/thpix.php [Broken]
    Last edited by a moderator: May 3, 2017
  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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