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Constant Accleration problem

  1. Sep 3, 2012 #1
    1. The problem statement, all variables and given/known data
    1.A basketball player, standing near the basket to grab a rebound, jumps 74.7 cm vertically.
    A) How much time does the player spend in the top 10.6 cm of his jump?
    B)How much time does the player spend in the bottom 10.6 cm of the jump?

    2. Relevant equations
    1)v=v0 + at
    2)x-x0=v0*t -.5at^2


    3. The attempt at a solution
    I solved for V=3.83 m/s then i substituted that into the second equation and came out with time spent at top=.0287s and at the bottom=.753s

    I only 3 more tries to get the problem right but im trying to figure what im doing wrong and how to solve it.
     
  2. jcsd
  3. Sep 3, 2012 #2
    I'm afraid you'll need to give more details of your attempt. How did you manage to "solve for v"? Both of the equations you mention need a v0, and I don't see one in your data...

    It would perhaps help if you identify what data you have been given in the question (i.e., name it –*this number is an acceleration, that one is an initial velocity) and what you want to find out.
     
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