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A boatman finds that he can save 6 s in ...

A boatman finds that he can save `6 s` in crossing a river by the quickest path than by the shortest path. If the velocity of the boat and the river be, respectively, `17 ms^-1 and 8 ms^-1`, find the river width.

A

675 m

B

765 m

C

567 m

D

657 m

Text Solution

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The correct Answer is:
B
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