本题目来源于试卷: The Laws of Thermodynamics，类别为 IB物理学
[问答题]
You are asked to test aryyd6kf*x6)gybw q(z4 :/awqza1qpn /i6 wn9 machine that the inventor calls an “in-room air conditioner”: a big box, standing in the middle of the room, with a cable that plugs into a power outlet. When the machine is switched on, you feelnp9i qw/1zna6 a stream of cold air coming out of it. How do you know that this machine cannot cool the room?
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本题详细解析:
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