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Velocity and time question

  1. Sep 17, 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 17, 2005 #2

    Andrew Mason

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    Can you express y in terms of initial position, velocity, acceleration (g) and time? y = y0 + ___ +- _____

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