An electric motor creates a tension of $4500 N$ in a hoisting cable and reels it in at the rate of $2 m / s$ . What is the power of the motor?

15 k W

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9 k W

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225 W

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9000 k W

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Solution

The correct option is C $9 k W$
$P = \to F . \to V$
$= 4500 \times 2$
$= 9 k W$

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Similar questions

An electric motor creates a tension of 4500 N in a hoisting cable and reels it in at the rate of 2 m/s. What is the power of the electric motor?

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