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Homework Help: Forces that determine velocity in running

  1. Feb 2, 2012 #1
    1. The problem statement, all variables and given/known data

    it is oblig 2:

    http://www.viewdocsonline.com/document/0nf7ag¨ [Broken]

    i wonder about assignment (i) in oblig 2

    2. Relevant equations

    3. The attempt at a solution

    here is what i wrote


    i tried to use euler method on it in matlab but i got that he ran 100 m in 1.8 seconds so something has to be wrong. I am sure not many people are familiar with matlab here so I wont write that I just wonder if my way of writng [tex]a_3[/tex] in the second link here is correct
    Last edited by a moderator: May 5, 2017
  2. jcsd
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