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1.A coaxial cable consists of a long straight filament surrounded by a long coaxial cylindrical conducting shell assume charge Q is on the filament zero net charge is on the shell and the electric field is E at a particular point P midway between the filament and the inner surface of the shell next you place the cable into a uniform external field -E what is the x-component of the electric field at P then ?
(a) 0
(b) between 0 and E
(c) E
(d) between 0 and -E
(e) -E
2.Consider an electric field that is uniform in direction throughout a certain volume. can it be uniform in magnitude? answer these questions
(a) assuming the volume is filled with an insulating material carrying charge described by a volume charge density and
(b) assuming the volume is empty space. state reasoning to prove your answer.
A WTP Operator is trying to size a pump that takes water from a WTPholding tank and sends it to a house on a hill above theplant. The operator's goal is to have 60 psi of waterpressure entering the house. The operator knows that the head loss (major+..
for sizing the syst em, the mean cell residence time is selected to be 5 days. the reactoer kinetic constants are u max= 2.4 d^-1 (1/day), Ks=75 mg/L as COD, Y=0.4 VSS/g COD and Kd=0.096 d^-1(1/day)
WHat volume of sludge must they dispose of each year if their sand drying beds yield a solids concentration of 35%
A breif explination on clay mineralogy including isomorphous substitution, specific surface, cation exchange capacity and their effect on clay properties.
Water enters a cylindrical tank through two pipes at rates of 250and 100 gal/min. If the level of water in the tank remains constant, calculate the average velocity of the flow leaving thetank through an 8-in. inside-diameter pipe.
Assuming an average daily water demand of 400 L/(person. day) during winter months and 700 L/(person. day) during summer months, calculate the annual water demand on the water supply at the end of the design period.
An interesting application of the relative motion equations is the experimental determination of the speed at which rain falls. Say you perform an experiment in your car in which you park your car in the rain and measure the angle the falling rain..
Assuming that the average stack gas velocity is 10.0m/s and the stack is circular with a 3.0 meter diameter, calculate the mass emissions rate of NO2 in kg/day.
Car B is driving straight toward the point O at a constant speed v. An observer, located at A, tracts the car with a radar gun. What is the speed |r(dot)B/A| that the observer at A records
If the fracture were planar in shape, having an average opening of 2 mm, what would the new value of Hc be?
A 50 meter wide rectangular channel is carrying a flow of 250 m3/s at a flow depth of 5 meters. To produce critical flow in this channel, determine a.) the height of the step in the channel botom if the width remains constant.
The first pipe of 0.4-m diameter is 500 m long, the second pipe 600 m long, size 0.3 m, and the last pipe is 500 m long of diameter 0.2 m. If the elevation difference between two reservoirs is 30 m, calculate equivalent pipe size and flow in the p..
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