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lecture11_capacitors_energy_current_072611

Fdrag 8lv physics 122 dr nick cummings 4 physics 142

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Unformatted text preview: trying to reduce the sliding. The The drag is proportional to the speed and the length of pipe. Fdrag = 8πµLv Physics 122 Dr. Nick Cummings 4 Physics 142 7/26/2011 Implication: Pressure drop If If we have a fluid moving at a constant rate and there is drag, N2 tells us there must be another force to balance the drag. The The internal pressure in the fluid must drop in the direction of the flow to balance drag. Drag force Flow in Flow out Pressure force Pressure force Physics 122 upstream downstream Dr. Nick Cummings 5...
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