Question

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

Answers

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

Related Questions