To cross the river in shortest distance

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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. [Assume that the speed of swimmer in still water is greater than the speed of river flow]
18
Oct
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. [Assume that the speed of swimmer in still water is greater than the speed of [...]
Posted in: Arihant Physics by D.C Pandey , Chapter 3 - Motion in One Dimension , Volume 2 ,
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