# Physics

A plane intends to north with a speed of 250 m/s relative to the ground through a high altitude cross wind of 50 m/s coming from the east. Determine the bearing that the plane should take( relative to due north),
A) the planes speed with respect to the air answer

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1. The plane takes a heading, not a bearing.
So, draw the velocity triangle. You should be able to see that

speed: s = √(250^2+50^2)

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2. 101

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