Задача з фізики(10клас): швидкості 9Окм/год потужність 30КВТ, при цьому витрата палива становить 8л бензину на 100км шляху. Температура газу в циліндрі відпрацьованого газу 450к. Визначте, на скільки реальний ККД двигуна менший за ККД ідеальної На автомобіль розвиває двигуна 1250K, температура теплової машини.
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