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Home Q & A Board Science-Related Homework Help Physics
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mich mich
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11 years ago
If a 60W light bulb in a bedside lamp is only 20 percent efficient in converting electric energy into light en?
if a 60W light bulb in a bedside lamp is only 20 percent efficient in converting electric energy into light energy, how much joules of light energy does the light bulb produce each minute.
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ike22ike22
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11 years ago
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11 years ago
Light energy =  60 J/s * 0.20 * 60 =  720 J / min
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