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How did they compute this e equation?

  1. Feb 2, 2009 #1
    1. The problem statement, all variables and given/known data
    this is a question i'm working on, and there's this step i'm stuck on
    it looks like this:
    2. Relevant equations

    3. The attempt at a solution
    how come the 9.8 became the 50?

  2. jcsd
  3. Feb 2, 2009 #2


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    Homework Helper

    [tex]\int e^{ax}dx= \frac{1}{a}e^{ax}+C[/tex]
  4. Feb 2, 2009 #3
    ohhHHHH .... it seems all simple now

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