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I need help in a simple physics problem

  1. Sep 25, 2007 #1
    1. The problem statement, all variables and given/known data

    You and your friend throw balloons ¯lled with
    water from the roof of a several story apart-
    ment house. You simply drop a balloon from
    rest. A second balloon is thrown downward
    by your friend 3:8 s later with an initial speed
    of 74:48 m=s. They hit the ground simultane-
    ously.
    The acceleration of gravity is 9:8 m=s2 : You
    can neglect air resistance.
    How high is the apartment house? Answer
    in units of m.

    2. Relevant equations

    idk

    3. The attempt at a solution

    too many wrong attempts
     
  2. jcsd
  3. Sep 25, 2007 #2

    hage567

    User Avatar
    Homework Helper

    Show us one, so we can see what you're thinking.
     
  4. Sep 25, 2007 #3
    Or you could just give me the answer.
     
  5. Sep 25, 2007 #4

    hage567

    User Avatar
    Homework Helper

    No, I can't. That's against forum rules. We aren't a homework service. You must do the work, we can only guide you.
     
  6. Sep 25, 2007 #5
    I do not know what equation to use. Can someone help me with that?
     
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