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11-12-2022
Physics

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Двигун трактора на шляху 72 км споживає 200 кг дизельного палива, розвиваючи при цьому силу тяги 60 кН. Визначити ККД двигуна. Питома теплота згорання дизельного палива 42 МДж/кг.

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