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Thermodynamics
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OpenStudy (johnny1423):
To keep the inside of a building at 20 Celsius, when the temperature of the environment is -10 Celsius, we have to provide heat at a rate of 50*10^(6) cal/hour, using a heat pump. What is the minimum power that the heat pump should have, if its efficiency is maximum?
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OpenStudy (cuanchi):
50*10^(6) cal? maximum means 100%?
OpenStudy (johnny1423):
\[50*10^6\]cal/hour. Maximum efficiency probably means it is a carnot engine.
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