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Mathematics 17 Online
OpenStudy (anonymous):

How many kilocalories of heat does the operation of a 1200-W hair dryer produce each second?

OpenStudy (jamesj):

Power = change in Work/Energy divided by change in time So in one second, 1200 Watts delivers .... Just be careful with the units of Watts. Check your text book or class notes so you know for sure.

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