Предмет: Физика, автор: Bayhugan

Температура нагревателя идеальной тепловой машины в 4 раза выше температуры холодильника. Определить максимальный КПД машины. Ответ в процентах.

Ответы

Автор ответа: sokolovvovikn
8
T1=4*T2
кпд=T1-T2/T1=4*T2-T2/4*T2=0,75=75%
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