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Airplane traveling 160 km/h

  1. Sep 23, 2008 #1
    1. The problem statement, all variables and given/known data
    The pilot of an airplane traveling 160 km/h wants to drop supplies to flood victims isolated on a patch of land 120 m below. The supplies should be dropped how many seconds before the plane is directly overhead?

    2. Relevant equations equations of motion

    3. The attempt at a solution i dont know what 2 plug in...
  2. jcsd
  3. Sep 23, 2008 #2


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    Homework Helper

    They want to know how long it takes to drop 160m.

    X = 1/2 g t2
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