Question 1085788
A light aircraft is 60km north east from the Airport and it flies north for six hours at a velocity of 96 km/h. 
Determine it's [sic] position (displacement) with reference to the Airport in magnitude and direction?
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It's a triangle.
Side a = 60 km
Side b = 6*96 = 576 km
The angle between a & b is 135 degrees.
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Use the Cosine Law to find side c (the distance).
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Then use the Law of Sines to find angle C.
Direction = 045 - angle C.
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PS  it's = it is