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Question of mechanic material (how to solve)

  1. Aug 31, 2009 #1
    1. The problem statement, all variables and given/known data
    In the attachment.


    2. Relevant equations



    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Aug 31, 2009 #2

    berkeman

    User Avatar

    Staff: Mentor

    You have not posted your attempt at the solution. Per the PF Rules link at the top of the page, you must show us your work before we can offer tutorial help.
     
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