coronata546
coronata546 coronata546
  • 22-09-2020
  • Physics
contestada

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

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AL2006
AL2006 AL2006
  • 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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