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Physics, 03.12.2019 13:31 korleone8071
Визначте ккд двигуна трактора (у відсотках), яким для виконання роботи 1,89∙106 дж знадобилося 1,5 кг палива з питомою теплотою згоряння 4,2∙106 дж/кг.
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Визначте ккд двигуна трактора (у відсотках), яким для виконання роботи 1,89∙106 дж знадобилося 1,5 к...
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