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2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
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Most short-period comets do not have randomly oriented orbits because
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If the air wedge is filled with water, how are the wavelength and the distance between dark bands af...
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