Posted by **jane** on Monday, January 28, 2013 at 4:53pm.

An airplane flies 200km due west from city A to city B and then 305km in the direction of 33.5 degrees north of west from city B to city C.

a.) in straight-line distance, how far is city C from city A?

b.) relative to city A,in what direction is city C?

c.)Why is the answer only approximately correct?

- physics -
**Steve**, Monday, January 28, 2013 at 5:13pm
484 km W20N

as all these numbers are measurements, they can be accurate, but not exact. Also, there is wind speed, which affects the ground speed of the plane. Also, there is curvature of the earth and uneven terrain.

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