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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

The wind appears to blow from the north to a man moving in the north-east direction. When he doubles his velocity, the wind appears to move in a direction east of north. The actual direction of the wind is

Answer: (D)

Solution

Let east , north , and let the man's first speed be along north-east: . Let the true wind velocity be . Case 1 (wind appears from the north, i.e. the apparent wind points due south, zero east-component):

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Question ID VK-152126