thinhlelp6 thinhlelp6

18-06-2021
Physics

contestada

một động cơ nhiệt khi hoạt động nhiệt lượng mà nó nhận vào gấp bốn lần công mà nó thực hiện. Hiệu suất của động cơ là?

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AlexTrusk AlexTrusk

19-06-2021

[tex] \frac{1}{4} = 0.25 = 25\%[/tex]

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