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

asked Jul 3, 2015 23.0k views

1 vote

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2 votes

Power = work done / time consumed

= 72000/60
= 1200 J/s

= 1200 watt

Ian Clark answered Jul 4, 2015

7.6k points

5 votes

Power = energy/time

So by using this equation:

72000/60 = 1200 Watts

JayVDiyk answered Jul 7, 2015

6.9k points

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