Physics – 1.7.4 Power | e-Consult
1.7.4 Power (1 questions)
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Definition: Power is the rate at which work is done, or the rate at which energy is transferred.
Work done per unit time: Power (P) = Work done (W) / Time (t) or P = W / t
Energy transferred per unit time: Power (P) = Energy transferred (ΔE) / Time (t) or P = ΔE / t