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To help keep her bam warm on cold days, a farmer stores 890 kg of warm water in the barn. Part A How many hours would a 2.50-kilowatt electric heater have to operate to provide the same amount of heat as is given off by the water as it cools from 23.0 C to 0 C and then freezes at 0 C? hrs Submit

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Answer #1

T- 1S31子8.968 エ

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