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A man can swim at a speed 2ms^(-1) in st...

A man can swim at a speed `2ms^(-1)` in still water. He starts swimming in a river at an angle `150^(@)` with direction of flow of water and reaches at the exactly oppsite point on the opposite bank.
(a) Find the speed of flowing water.
(b) If width of river is 1 km then calculate the time taken also

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1000 s
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