shrekbaddie3 shrekbaddie3
  • 13-12-2021
  • Physics
contestada

A hair dryer transforms 10,000J of energy in 4s. What is its power?

Respuesta :

Stephen46
Stephen46 Stephen46
  • 13-12-2021

Answer:

2500 W

Explanation:

Power is the rate at which work is done and can be found by using the formula

[tex]p = \frac{w}{t} \\ [/tex]

p is power in Watts ( W)

w is the workdone in J

t is time in s

From the question

w = 10,000 J

t = 4 s

We have

[tex]p = \frac{10000}{4} = 2500 \\ [/tex]

We have the final answer as

2500 W

Hope this helps you

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