What is the change in internal energy of an engine if you put 15 gallon of gasoline into its tank? The energy content of gasoline is 1.5 x 106 J/gallon. All other factors, such as the engineās temperature, are constant. How many hours the engine can work if the power of the engineās motor is 600 W? (8 marks)
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Abus travels 280km south along a straight path with an average velocity of 88km/h to the south. the bus stops for 24 min, then it travels 210 km south with an average velocity of 75 km/h to the south. how long does the total trip last?
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What is the change in internal energy of an engine if you put 15 gallon of gasoline into its tank? T...
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