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Motion in the planes

  1. Jan 10, 2010 #1
    1. The problem statement, all variables and given/known data

    a basketball player jumped straight up to grab a rebound. if she was in the air for 0.80 second how high did she jump?

    2. Relevant equations

    i know the time but i dont know which equation to use

    3. The attempt at a solution

    i dont know how to solve yet
     
  2. jcsd
  3. Jan 10, 2010 #2
    0.8 = time to go up(t1) + time to come down(t2)

    t1 = t2 = 0.8/2 (should be right)

    vertical distance traversed use equation of motion

    s = ut + 0.5at^2

    can you go on from here?
     
  4. Jan 10, 2010 #3

    CompuChip

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    Homework Helper

    Try s = 0.5 a t2, where a is the acceleration.
    Given the time and acceleration (what is it?) you can find the largest distance (which is the top of her jump).
     
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