calculate power used in 2 ohm resistor in each circuits

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A string is stretching a distance of 3.5 meters and it is vibrated at one end of it with a frequency of 60 Hz. A standing wav...

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How is the chemical ammonia used in floor wax? Like how does it help it? Thanks, Teddymboy

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Nuclear Energy a. Where does radiation come from? What does radioactive decay have to do with its creation? b. Explain whi...

how do you convert solar powar from the sun to electicity?