A boat crossing a river moves with a velocity v relative to still water. The river is flowing with a velocity $v / 2$ with respect to the bank. The angle with respect to the flow direction with which the boat should move to minimize the drift is $?$

30^{o}

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60^{o}

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150^{o}

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120^{o}

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Solution

The correct option is C $60^{o}$
The component velocity of boat should be equal to river velocity .
$V c o s θ = \frac{v}{2} \to θ = 60$

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A boat crossing a river moves with a velocity v relative to still water. The river is flowing with a velocity v/2 with respect to the bank. The angle with respect to the flow direction with which the boat should move to minimize the drift is?

The correct option is C 60oThe component velocity of boat should be equal to river velocity .Vcosθ=v2→θ=60

A boat crossing a river moves with a velocity v relative to still water. The river is flowing with a velocity $v / 2$ with respect to the bank. The angle with respect to the flow direction with which the boat should move to minimize the drift is $?$

The correct option is C $60^{o}$
The component velocity of boat should be equal to river velocity .
$V c o s θ = \frac{v}{2} \to θ = 60$