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I need help with this physics question help please and fast? ?

  1. Sep 20, 2009 #1
    I need help with this physics question help please and fast?!!?!?!?

    1. The problem statement, all variables and given/known data
    untitled-10.jpg

    untitled-11.jpg




    What are the answers for 3 and 4b?
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Sep 20, 2009 #2

    qsa

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    Re: I need help with this physics question help please and fast?!!?!?!?

    d = -(1/2)g*t^2

    plug d solve for solve for t
    v = - g*(squareroot(2(d/g)))

    plug d solve for v
     
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