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A light plane attains an air speed of 480 km/h. The pilot sets out for a destination 810 km to the north but discovers that the plane must be headed 21 ° east of north to fly there directly. The plane arrives in 1.9 h. What was the vector wind velocity?
Round off to two significant figures,vwg = 22 km/hTherefore, the relative velocity of wind with respect to ground is 22 km/h , and is directed southwards.
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