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Question
The SI unit of power is watt. It is expressed in terms of mass, length and time as:
Options
kg m2s−3
kg m s−3
kg2 m2s−2
kg m s−2
MCQ
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Solution
kg m2s−3
Explanation:
Power is work done per unit time. Dividing the unit of work, kg m2s−2, by time gives kg m2s−3.
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