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Elevator Acceleration and Ball Gets Dropped

  1. Sep 12, 2012 #1
    1. The problem statement, all variables and given/known data

    An elevator accelerates from the top floor at 100 m height downward with a uniform acceleration of a. After 5.0 s, an object is dropped out of an opening in the door, and that
    object hits the ground 3 s later. Find a. How high up was the elevator when the object was dropped?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Sep 12, 2012 #2

    Simon Bridge

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    Welcome to PF;
    Please show your attempt of this problem so we can figure out what help you need.
     
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