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A pilot wants to fly on a bearing of 68.9°. By flying due​ east, she finds that a 50.2​-mph ​wind, blowing from the​ south, puts her on course. Find the airspeed and the groundspeed of the plane

 May 12, 2021
 #1
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Well let's say she flies for ONE hour.....then she should be 50.2 miles north and 1 hour's mph east

 

Bearing 68.9 is actually 21.1 in our usual coordinate 'plane'   (haha)

tan 21.1 = 50.2 / mph        mph = 130 mph

 May 13, 2021

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