05-01-2020
Physics

contestada

f a light bulb produces 60.0 J of electrical energy and is 45% efficient, how much energy does it use?
a)133 J
b)1.33 J
c)0.75 J
d)2700 J

Respuesta :

nolantx05 nolantx05

05-01-2020

The answer is A
60 J = 45%
So meaning it wants to know all 100%
So it will be a little over 120 and the closest one is 133
(please don’t do what do!!)

Answer Link

jennahalmadrahi jennahalmadrahi

05-01-2020

Answer:

133 j

Explanation:

Answer Link

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