Two identical refrigerators are plugged in for the first time.Refrigerator A is empty (except for air), and refrigerator B isfilled with jugs of water. The compressors of both refrigeratorsimmediately turn on and begin cooling the interiors of therefrigerators. After two hours, the compressor of refrigerator Aturns off while the compressor of refrigerator B continues torun. The next day, the compressor of refrigerator A can beheard turning on and off every few minutes, while the compressor of refrigerator B turns off and on every hour or so (and stayson longer each time). Explain these observations.

Two identical refrigerators are plugged in for the first time.Refrigerator A is empty (except for air), and refrigerator B isfilled with jugs of water. The compressors of both refrigeratorsimmediately turn on and begin cooling the interiors of therefrigerators. After two hours, the compressor of refrigerator Aturns off while the compressor of refrigerator B continues torun. The next day, the compressor of refrigerator A can beheard turning on and off every few minutes, while the compressor of refrigerator B turns off and on every hour or so (and stayson longer each time). Explain these observations.