Posted by **Alura** on Monday, September 6, 2010 at 11:15pm.

a plane has an airspeed of 200 mph. the pilot wants to reach a destination 600 miles east but a wind is blowing 50 mph 30 degrees North of East. What direction must the pilot head the plane in order to reach the destination?

I asked my Lab T.A. and she helped me understand that I basically need to draw two vectors and get the average of the two but all of my answers are wrong so far...

- Physics -
**kristen**, Monday, September 6, 2010 at 11:29pm
Not the average of the two - you need to find the vector which, when added to the windspeed vector, will give the vector to the desired destination. So you are really subtracting vectors. Try that....

- Physics -
**Alura**, Tuesday, September 7, 2010 at 12:05am
It's still confusing me...200mph-50 gives us 150mph but how do i know the angle of that vector? I know it's South of East...

- Physics -
**Alura**, Tuesday, September 7, 2010 at 12:20am
nevermind! got it! thanks!

- Physics -
**kristen**, Tuesday, September 7, 2010 at 12:46am
way to be persistent! now you probably won't forget how it's done, since you worked so hard.

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