Solved: To save on heating costs, the owner of a
Chapter 20, Problem 20.103(choose chapter or problem)
To save on heating costs, the owner of a greenhouse keeps 660 kg of water around in barrels. During a winter day, the water is heated by the sun to 10.0 C. During the night the water freezes into ice at 0.0 C in nine hours. What is the minimum ampere rating of an electric heating system (240 V) that would provide the same heating effect as the water does?
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