 
Yefim S. answered  09/04/20
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P = 4200J/70.0s = 60 W
JESSICA X.
asked  09/04/20The power of a light bulb is the amount of electrical energy it consumes in one second. A 40 W bulb, for example, uses 40 J of electrical energy in 1 s. What is the power rating of a light bulb that consumes 4 200 J of electrical energy in 70.0 s?
 
Yefim S. answered  09/04/20
Math Tutor with Experience
P = 4200J/70.0s = 60 W
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