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04-02-2021
Social Studies

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What power is used by a machine to perform 800J of work in 25 s

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04-02-2021

Answer: Power = energy/time

During those 25 seconds, the machine is doing work at the rate of 800/25 = 32 watts.

We don't know how much power the machine must consume in order to perform

work at that rate, but we know it's more than 32 watts.

Explanation:

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