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It is estimated that in the United States (population 250 million) there is one electric clock per person, with each clock using energy at a rate of 3.5 W. Using this estimate, how much energy is consumed by all the electric clocks in the United States in a year?
1 . J

I got 2.36e+16 but its wrong

  • physics - ,

    (3.5)W •(365)days•(24) hours•(3600)sec •250•10^6=2.76•10^16 J

  • physics - ,

    To anyone else looking for this answer, I suck at physics but I'd like to point out that the book says "2.5 Watts" NOT 3.5 like Brianna has in her question and Elena has in her answer.

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