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Unformatted text preview: Marcus Afshar 1/2 Physics 7B Final Review Sheet Fluid Circuits: s Flow rate (a.k.a. current): g = G . This is the volume of fluid passing through a pipe in unit time. s Combining g = G and g = g implies that the fluid flows faster where the pipe is narrower and vice versa. s Three energy systems to consider: Energy System Indicator Pressure: N.A. Potential Energy: / Height: Kinetic Energy: KE/ Velocity: s Dissipation (a.k.a. friction or resistance) subtracts from the fluids energy. So leaves the system. s Pumps add to the fluids energy. So enters the system. s Complete energy density equation: + + = + + + 1 2 = g + Electrical Circuits: s Current moves in the direction of positive charges. s Only one energy system to consider: Energy System Indicator Elec. Pot. Energy: Voltage: s Resistors subtract from the energy of positive charges. So leaves the system....
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