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27 May, 21:45

How much power does a toaster have if it does 21,000 joules of work in 30 seconds?

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  1. 28 May, 01:05
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    Power = (work done) / (time to do the work)

    = (21,000 Joules) / (30 seconds)

    = (21,000 / 30) joule/sec

    = 700 watts
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