A particular car engine operates between temperatures of 400Â°C (inside the cylinders of the engine) and...

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Physics

A particular car engine operates between temperatures of 400Â°C(inside the cylinders of the engine) and 20Â°C (the temperature ofthe surroundings).
Given these two temperatures, what is the maximum possibleefficiency the car can have? (Note that actual car engineefficiencies are in the 20-25% range.)
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Part (b)
A particular car engine operates between temperatures of 400Â°C(inside the cylinders of the engine) and 20Â°C (the temperature ofthe surroundings).
If the car was somehow able to operate at its maximum efficiency,determine how much heat must be obtained by burning fuel in thecarâ€™s engine to accelerate a 1500 kg car from rest to a speed of100 km/h (neglect resistive forces). Note that a number like1.23x10^9 can be entered as 1.23e9
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4.3 Ratings (987 Votes)

Temperature inside the cylinders of the engine Th 400 oC 400 273 K 673 KSurrounding temperature Tc 20 oC 20 273 K 293 KMaximum possible efficiency of See Answer

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