Physics, 26.10.2020 19:50 ultimatesaiyan

If a wave has a period of 20 s, what is its
frequency?

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Physics, 22.06.2019 13:10, rosemary909

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Physics, 22.06.2019 15:30, 573589

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Physics, 22.06.2019 23:30, codnernae2423

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill