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22-09-2020
Physics

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What is the power of an electric toothbrush if it can do 750 joules of work in 75 seconds?

Respuesta :

22-09-2020

Power = (work done) / (time to do the work)

Power = (750 joules) / (75 seconds)

Power = 10 joules/second

Power = 10 watts

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