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Horizontal air drag

  1. Oct 27, 2003 #1
    a crate falls from an airplane flying horizontally at an altitude of 2,000 m. neglecting air drag, howlong will the crate take to strike the ground/ is the formula t = d/v help
     
  2. jcsd
  3. Oct 27, 2003 #2
    Code (Text):


    First write out what you know:

    u = 0 m/s
    v = v
    a = 9.81 m/s[sup]2[/sup]
    s = 2000 m
    t = t

    then pick the appropriate formula:

    s = ut + 0.5at[sup]2[/sup]
    2000 = 4.905 * t[sup]2[/sup]
    t[sup]2[/sup] = 407.7
    t = 20.2 s

     
     
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