A motor boat going downstream over came a raft at a point A. T = 60 min later it turned back and after some time passed the raft

Question

A motor boat going downstream over came a raft at a point A. T = 60 min later it turned back
and after some time passed the raft at a distance l=6km from the point A. Fire the flow relocity assuming the duty of engine to be constant.

Kunduz · Accepted Answer

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