Question

the speedof swimmer in still water is 10 m/s and is flowing due east.lf he is standing on the south bank and wishes to cross the river along the shortest path,the angle at which he should make his strokes w.r.t. North is given by?​

Answer 1

He should make his strokes at 45° with North, so that when he swims across the river, the flow of the river actually takes him Eastward and ends up taking him straight, hence the shortest way to cross the river is to make an angle of 45° with North.

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