Answer to Question #271489 in Physics for Obazamz

Question #271489

A bird flies 7km on a bearing of 40degress. How far north and east of its starting point is its final position?

Expert's answer

Assuming the bearing is counted from North toward East, the final position is

p_{E}=7\sin40°=4.5\text{ km},\\ p_N=7\cos40°=5.4\text{ km}.

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