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In Social Studies / High School | 2014-04-28

What is the power of a hair dryer if it uses 72,000 joules of energy in 60.0 seconds?

Asked by taiyacarreker

Answer (3)

Power = energy/time
So by using this equation:
72000/60 = 1200 Watts

Answered by kltyuiop | 2024-06-10

Power = work done / time consumed
= 72000/60 = 1200 J/s
= 1200 watt

Answered by tadvisohil886 | 2024-06-10

The power of the hair dryer is calculated using the formula P = t E ​ , which gives P = 1200 W when using 72,000 joules in 60 seconds. This value shows the rate at which the hair dryer uses energy. Thus, the hair dryer has a power rating of 1200 watts.
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Answered by kltyuiop | 2024-10-14

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