a man wishes to cross a river of width 120m by a motor boat. his rowing speed in still water is 3m/s and his maximum waking speed is 1m/s. the river flows with velocity 4m/s.

Asked by susmita bhattacharjee | 1st Jun, 2013, 09:47: PM

Expert Answer:

 
 
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Answered by  | 25th Jun, 2013, 11:10: AM

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