The us five-cent coin the nickel has a mass of 51 grams a, Ask an Expert

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the U.S. five-cent coin, the nickel, has a mass of 5.1 grams, a volume of 0.719 cm^3, and a total surface area of 8.54 cm^2. Asssuming that a nickel is an ideal radiator, how much radiant energy per second comes from the nickel if it is 20 degree celsius?

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