A boat which has a speed of 
in still water crosses a river of width 1 km along the
shortest possible path in 15 minutes. The velocity of the river water in 
is:
A
1
B
3
C
4
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Velocity of the river is along AO
By applying triangle law of vector addition, value of AB comes to be 
.
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