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Kinematics Problem

  1. Oct 1, 2009 #1

    A baseball is through across the plate at 44.1 m/s. If it had been through straight up, how high would it have gone.


    I'm not sure how to find the displacement since all I'm given is the initial velocity. Am I missing something here?

     
  2. jcsd
  3. Oct 1, 2009 #2
    There is a downward acceleration g (the acceleration by Earth's force of gravity).
     
  4. Oct 1, 2009 #3
    You also know final velocity and acceleration.

    Since it is thrown in the Y direction, the only acceleration force is gravity.

    Also, remember that you are trying to find out its maximum height. You know that the ball will have a velocity of 0 at its highest point, so you know the final velocity.

    That should be enough to calculate distance using the kinematic equations.
     
  5. Oct 1, 2009 #4
    Thank you for your help. I can't believe I forgot about acceleration due to gravity.
     
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