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A swimmer wishes to cross a river 500 m ...

A swimmer wishes to cross a river 500 m wide flowing at a rate 'u'. His speed with respect to still water is 'v'. For this, he makes an angle` theta` with the perpendicular as shown in the figure.

To cross the river in minimum time, the value of `theta` should be.

A

3 min

B

6hr

C

6min

D

3hr

Text Solution

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The correct Answer is:
C
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