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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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Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?
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Physics, 22.06.2019 18:30
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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What are the units for impulse?
A. kg•m/s
B. kg/s
C. kg•m^2/s
D. kg m/s^2...
A. kg•m/s
B. kg/s
C. kg•m^2/s
D. kg m/s^2...
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