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+2 votes
14.7k views
in Physics by (47.5k points)

A swimmer wants to cross a river from point A to point B. Line AB makes an angle of 30° with the flow of river. Magnitude of velocity of the swimmer is same as that of the river. The angle θ with the line AB should be ____°, so that the swimmer reaches point B.

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1 Answer

+2 votes
by (45.1k points)

Correct answer is 30.

Both velocity vectors are of same magnitude therefore resultant would pass exactly midway through them

θ = 30°

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