Physics, 09.03.2021 22:40 kataldaine
Grey heated a cup of cocoa in the microwave. When she removed it from the microwave, the cocoa was too hot to drink, so she left it on the counter. Grey
forgot about the cocoa for two hours. When she remembered it, she found that the cocoa was the same temperature as the room. How did the cocoa become
room temperature?
The heat from the cocoa was released as friction.
The cooler temperature of the air in the room was transferred to the
Cocoa
The heat from the cocoa was transferred to the cup and to the air in the room.
The cooler temperature of the counter was transferred to the cocoa through the cup.
Answers: 3
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6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
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Grey heated a cup of cocoa in the microwave. When she removed it from the microwave, the cocoa was t...
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