A person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of 0.5 m/s at an angle of 120{}^\circ
with the direction of flow of water. The speed of water in the stream is [CBSE PMT 1999]
A) 1 m/s B) 0.5 m/s C) 0.25 m/s D) 0.433 m/s
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Right option is B ....
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