An airplane flies 200 km due west from city A to city B and then 360 km in the direction of 30.5° north of west from city B to city C. (a) In straight-line distance, how far is city C from city A? km (b) Relative to city A, in what direction is city C? ° north of west (c) Why is the answer only approximately correct?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Problem 71P: A commuter airplane starts from an airport and takes the route shown in Figure P1.71. The plane...
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An airplane flies 200 km due west from city A to city B and then 360 km in the direction of 30.5° north of west from city B to city C.

(a) In straight-line distance, how far is city C from city A?
km

(b) Relative to city A, in what direction is city C?
° north of west

(c) Why is the answer only approximately correct?
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