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akhil samir killawala Grade: 11
        On a rough day there is a uniform current in the river,the speed of da river is v .which will help the onward journey and impede the return.if the boat takes t sec t" go and come back .wat is ratio between t"/t
7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear akhil


question is not clear


let speed of boat is u


t=d/(v+u)


t'' =d/(u-v)


so t/t''  =(u-v)/(u+v)


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Badiuddin

7 years ago
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