Posted by Anonymous on Wednesday, May 11, 2011 at 6:47pm.
Vectors
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 7:45pm
The airplane velocity should be
(20,a) where a=sqrt(400^220^2)