SOLUTION: at what air speed should an airplane head due west in order to follow a course south 70 degrees 15 minuets west if a 20.5km/h wind is blowing from due north

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Question 1100460: at what air speed should an airplane head due west in order to follow a course south 70 degrees 15 minuets west if a 20.5km/h wind is blowing from due north
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
airplanes go as fast as they can.
They don't adjust their airspeed to make a given ground track.
They adjust their heading.