1.

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
Answer» D.                             0.433 m/s


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