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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kads inc has spent 400000 on research to develop a new computer game the firm is planning to spend 200000 on a
if a planet has a radius 20 greater than of the earth but has the same mass as the earth what is the acceleration due
a solenoid 145 m long and 330 cm in diameter carries a current of 120 a the magnetic field inside the solenoid is 160
if 550 cm of copper wire diameter 100 mm is formed into a circular loop and placed perpendicular to a uniform magnetic
a heat engine operating at maximum efficiency has an efficiency of 25 the temperature of the cold reservoir is 300 k
futronics inc is a 2 billion firm that sells communications services founded in 1937 futronics has provided consumer
the work function for platinum is 635 ev ultraviolet light of wavelength 150 nm is incident on the clean surface of a
a 150-kg iron horseshoe initially at 610degc is dropped into a bucket containing 170 kg of water at 260degc what is the
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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