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A swimmer capable of swimming with velocity `v` relative to water jumps in a flowing friver having velocity `u`. The man swims a distance `d` down stream and returns back to the priginal position. Find out the time taken in complete motion. |
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Answer» Tatal time =Time of swinning downstream +Time of swinming upstream Velocity of the man during swimming downstream`=v+u` Velovity ot the man during swimming sustream`=v-u` `t=t_(down)+t_(up)=t_(down)+t_(up)=(d)/(u)+(d)/(v-u)(2dv)/(v^(2)-u j^(2)`. |
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