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A person aiming to reach the exactly opp...

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^@` with the direction of flow of water. The speed of water in the stream is

A

`1.0m//s`

B

`0.5m//s`

C

`0.25m//s`

D

`0.43 m//s`

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