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Question

A boat crossing a river moves with a velocity v relative to still water. The river is flowing with a velocity v2 with respect to the bank. The angle with respect to the flow direction with which the boat should move to minimize the drift is:


Your Answer
A
30
Your Answer
B
60
Your Answer
C
150
Correct Answer
D
120

Solution

The correct option is D 120

θ=sin1(v2v)
θ=30
So angle with direction of flow of river is 90+30=120

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