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01-07-2017
Physics

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How much energy does a pair of 800w hair straighteners transfer every second?

Respuesta :

skyluke89 skyluke89

27-11-2018

Answer: 800 J

Explanation:

Power is the rate between the energy transferred (E) and the time taken (t):

[tex]P=\frac{E}{t}[/tex]

In this problem, the hair straightener has a power of P = 800 W. therefore, the energy transferred in t = 1 second is

[tex]E=Pt=(800 W)(1 s)=800 J[/tex]

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