Quiz2 - water, as shown in the figure to the right. The...

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Physics 7B S10 Quiz 2 Rubric:__________________ Student ID: ___________ Name: _________ , _________ Sec #: ____ Last First Useful Equations and numbers: Δ V=E-IR; Δ P+ ρ g Δ h+(1/2) ρΔ v 2 =E Pump -IR; I=A v; A (circle) = π r 2 ; ρ Water =1000 kg/m 3 ; g=10 m/s 2 1) Consider the electrical circuit at right, with an ideal battery with emf ε and a light bulb of fixed resistance R , connected by wires of negligible resistance. a) Rank the currents at each of the four points. Briefly Explain. Rank Explain b) Rank the voltages at each of the four points. Briefly Explain. Rank Explain 2 ) A tall vertical hose with a pump is inserted in to a large body of
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Unformatted text preview: water, as shown in the figure to the right. The pump provides E Pump = 73,000 Pa. The hose has a resistance per unit length of 3x10 3 J s / m 7 . The hose is circular with a radius of 5cm. Determine the maximum height the water can reach in the hose, relative to the surface of the large body of water. Explain your answer in the following steps. a) Draw an energy chart or diagram, which will be used to solve the problem. b) Calculate the maximum height relative to the surface of the large body of water. Final Answer:...
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This note was uploaded on 01/05/2011 for the course PHY 7B PHY7B taught by Professor Cebra during the Spring '10 term at UC Davis.

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