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The two quantities involved in calculating power are work (or energy) and time. Power is defined as the rate at which work is done or energy is transferred, typically expressed in watts (W), where one watt equals one joule per second. Mathematically, power can be calculated using the formula ( P = \frac{W}{t} ), where ( P ) is power, ( W ) is work done or energy transferred, and ( t ) is the time taken.

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