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To cross the river in shortest distance,...

To cross the river in shortest distance, a swimmer should swimming an angle ` theta` with the upsteram. What is the ratio of the time taken to swim across in the shortest time to that in swimming across over shortest distance. [Asume that the speed of swimmer in still water is greater than the speed of river flow]

A

`cos theta`

B

`sin theta`

C

`tan theta`

D

`cot theta`

Text Solution

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The correct Answer is:
B
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DC PANDEY ENGLISH-KINEMATICS 1-INTEGER_TYPE
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