1. Tardigrade
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  4. A motor boat is going in a river with a velocity vecV=(4 hati-2 hatj+ hatk) m s-1, If the resisting force due to stream is vecF=(5 hati-10 hatj+6 hatk) N, then the power of the motor boat is

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Q. A motor boat is going in a river with a velocity $\vec{V}=(4 \hat{i}-2 \hat{j}+\hat{k}) m s^{-1}$, If the resisting force due to stream is $\vec{F}=(5 \hat{i}-10 \hat{j}+6 \hat{k}) N,$ then the power of the motor boat is

Work, Energy and Power

Solution:

$P=\vec{F} \cdot \vec{V}$