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10. State SI unit of power and define it. A person weighing Skruns up a bill
vertically 10 meter in 20 sec. Calculate his power. (Take g- 8 meterse
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sI unit of power is watt.
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The SI unit of power is Watt(W)which is equal to one joule per second.
Power is the rate of doing work or of transferring heat, i.e. the amount of energy transferred or converted per unit time. Having no direction, it is a scalar quantity.
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