Physics, 05.07.2019 03:00, coreyrineer2791
Which statement correctly describes the formation of an electric current? a) a resistance causes electric charges to move from lower to higher potential. b) a voltage causes electric charges to move from lower to higher potential. c) a resistance causes electric charges to move from higher to lower potential. d) a voltage causes electric charges to move from higher to lower potential.
Answers: 2
Physics, 21.06.2019 19:00, paytonxxburns05
Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.
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Physics, 22.06.2019 06:30, bluevibe
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.
Answers: 2
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