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An electric m...

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An electric motar creates a tension of 4500 N in hosting a cable and reels it at a rate of 2 ms^-1.The power of motar is

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Solution

$P o w e r = f o r c e \times v e l o c i t y f o r c e = t e n s i o n = 4500 N v e l o c i t y = 2 m / s p o w e r = 4500 \times 2 = 9000 W a t t$

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