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Frames of reference and relative velocity

  1. Sep 25, 2006 #1
    :confused: im in desperate need of help with a certian physice question im struggling on. heres the question:

    "A pilot is required to fly directly from london to rome, in 3.5hours. the displacement is 1400km [S 43degrees E]. a wind is blowing with a velocity of 75km/h [E]. what is the required velocity of the plane relative to the air."

    -if anyone who knows the full solution it would be great.
  2. jcsd
  3. Sep 25, 2006 #2
    Reformulate the question: How fast does the plane go when it's in the air with it's motor switched off (supposed it goes with the wind and doesn't fall down)? How much speed does the motor have to "add"?
    Last edited: Sep 25, 2006
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