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How much power does a hair dryer require to transform 198 000 J of energy in 15 mins?
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How much power does a hair dryer require to transform 198 000 J of energy in 15 mins?

User Rimian
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(198,000 joule / 15 minute) x (minute / 60 sec) = 220 joule/sec = 220 watts


User AndreasT
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