A light bulb has a power output of 80 W and it has been left on for 90 seconds. How much work was done?

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A light bulb has a power output of 80 W and it has been left on for 90 seconds. How much work was done?

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Khải Quang 2 weeks 2021-08-29T03:36:00+00:00 1 Answers 0 views 0

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    2021-08-29T03:37:19+00:00

    7200 joules of heat and light energy was dissipated into the air. But no work was done … no force moved through no distance.

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