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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

A river is flowing from W to E with a speed 5 . A man can swim in still water with a velocity 10 . In which direction should the man swim so as to take the shortest possible path to go to the south [BHU 2005]

Answer: (C)

Solution

For a straight southward resultant, the westward (upstream) component of swimming velocity must cancel the eastward current:

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Question ID VK-152621