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Calculus1 9 Online
OpenStudy (anonymous):

Check my answer: An airplane flying due east at 539 mph in still air, encounters a 61-mph tail wind acting in the direction 45 degrees north of east. The airplane holds its compass heading but because of the wind acquires a new ground speed and direction. What is its new direction? a) 5 degrees b) 85.8 degrees c) 4.2 degrees d) 85 degrees I got 85.8 degrees, but im not sure if thats right?

OpenStudy (radar):

I think you are right.

jagr2713 (jagr2713):

yea its 85.8

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