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Physics, 22.08.2020 21:01 molliemoo1002

9. An efficient LED light bulb uses energy at a rate of 7 watts or 7 J/second. What total amount of electrical energy is used if the light is on for 2 hours?

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9. An efficient LED light bulb uses energy at a rate of 7 watts or 7 J/second. What total amount of...
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