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To help keep his barn warm on cold days, a farmer stores 811 kg of solar-heated water (Ly = 3.358+5 J/kg) in barrels. For how

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To help keep his barn warm on cold days, a farmer stores 811 kg of solar-heated water (Ly = 3.358+5 J/kg) in barrels. For how many hours would a 2.17 KW electric space heater have to operate to provide the same amount of heat as the water does, when it cools from 14.0 to 0 "C and completely freezes? Submit Answer Tries 0/10

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