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Having a problem with this simple question

  1. Feb 22, 2008 #1
    1. The problem statement, all variables and given/known data
    I am trying to calculate a percent of error in a conservation of energy lab, and for some reason I am completely drawing a blank.
    Just so you know what I am looking at,
    I have about 10 values or so in 3 columns labeled KE, PE, E. E is KE + PE






    2. Relevant equations

    I wrote down (Elast - E1st)/ (Etotal) and then multiply by 100. Something just seems wrong here and I don't know why. Is that correct?


    3. The attempt at a solution
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
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