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An engine develops 10 kW of power. How m...

An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m (`g=10(m)/(sec^2)`)`?

A

4 sec

B

5 sec

C

8 sec

D

10 sec

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The correct Answer is:
C
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