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Trajectory of a ball thrown vertically

  1. Sep 18, 2005 #1
    A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 11.0 m/s when the hand is 1.50 m above the ground.
    How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)
     
  2. jcsd
  3. Sep 18, 2005 #2

    Tide

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    Describe what you have done so far to solve the problem.
     
  4. Sep 18, 2005 #3
    sorry this is bommer. had to change my s/n
    i dont know where to start on this problem
     
  5. Sep 18, 2005 #4

    Tide

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    What do you know about the relationship between height and time for an object moving under the influence of gravity?
     
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