An engine does a work of $6000 J$ in $1 m i n$ . Calculate the power of the engine in $k W$ .

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Solution

Step 1: Given
Work done $=$ $6000 J$
Time taken $= 1 m i n = 60 s$
Step 2: Calculation
The formula for power is,
$P o w e r (P) = \frac{W o r k d o n e (W)}{T i m e t a k e n (t)}$
$P = \frac{6000 J}{60 s} = 100 W ∴ P = 0.1 k W$
Hence, the power of the engine is $0.1 k W$ .

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