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Frames of Reference Question - Airplane Problem

  1. Aug 3, 2017 #1
    Hi, Could someone please have a look at my solution and let me know if I did it correctly.

    Thank you!!

    1. The problem statement, all variables and given/known data

    A pilot is flying from City A to City B which is 300 km [NW]. If the plane will encounter a constant wind of 80 km/h from the north and the schedule insists that he complete his trip in 0.75 h, what air speed and heading should the plane have?

    2. Relevant equations
    N/A

    3. The attempt at a solution

    2.PNG
     
  2. jcsd
  3. Aug 4, 2017 #2

    ehild

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    You have a sign error. Unfortunately, you did not type in the solution, so I can not show, where the error is.
     
  4. Aug 4, 2017 #3

    haruspex

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    Your diagram is wrong. You seem to have put label C where A should be and label A where B should be.
    What direction does the resultant 400km/h need to be in?
     
  5. Aug 4, 2017 #4
    Thank You!
     
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