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April 18, 2015

April 18, 2015

Posted by **Anonymous** on Wednesday, May 11, 2011 at 6:47pm.

The thrust of an airplane's engine produces a speed of 400 mph in still air. The wind velocity is given by

<-20,30>. In what direction should the plane travel to fly due south? Give your answer as an angle from due south.

- Calculus 3 -
**Mgraph**, Wednesday, May 11, 2011 at 7:45pmThe airplane velocity should be

(20,-a) where a=sqrt(400^2-20^2)

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