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Grade: upto college level

                        

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?

5 years ago

Answers : (1)

Navjyot Kalra
askIITians Faculty
654 Points
							232-1124_1.PNG
Round off to two significant figures,
vwg = 22 km/h
Therefore, the relative velocity of wind with respect to ground is 22 km/h , and is directed southwards.
5 years ago
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