A heat engine operating at maximum efficiency has an
a heat engine operating at maximum efficiency has an efficiency of 25%. The temperature of the cold reservoir is 300 K. what is the temperature of the hot reservior?
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a solenoid 145 m long and 330 cm in diameter carries a current of 120 a the magnetic field inside the solenoid is 160
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a heat engine operating at maximum efficiency has an efficiency of 25 the temperature of the cold reservoir is 300 k
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a 460-g lead bullet at 340degc is fired at a speed of 260 ms into a large block of ice at 0degc in which it becomes
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