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The inflow to a small reservoir during a storm may be described by the equations Q=1000(1-e^-kt) where Q= flow in cfs k= runoff rate = 1.0 per hour t = time in hours The outflow through the dam gates is held constant at 800 cfs. The initial volume of the reservoir is 10x10^6 cubic feet. Write the differential equation describing the rate of change in reservoir volume with time. Plot the volume of the reservoir versus time during the first 8 hours of the storm. At what time does the minimum volume occur? Does a maximum volume occur?
The ship has a total weight of 155,000 tons, length = 1,600 feet and a beam = 150 feet (assume that it is the shape of a rectangular box). Calculate the height above the waterline of its center of Gravity (G).
determine the tangential component of the acceleration of the sled a) just before it reaches B, b) just after it passes C.
What is the name of the text book and author used for thr course CEE30 in the spring quarter of 2013, at University of California Irvine?
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..
air flows through a horizontal iron tube (e=0.15m) at Q=5.7x10-2 m3/s. find the pipe diameter if the pressure drop is 3.5kPa per 30.5m of pipe. air density = 1.23kh/m3 dynamic vicosity = 1.79 x 10-5 N.s/m2)
The plant is to employ alum coagulation. and pertient data for the folcculation basin are as follows: detention time = 20 min, G = 35 /sec at 50F, GT = 10000 to 100000, width = 1.25 depth, length = 2width, no baffling, number of impellers = 2
Vehicles arrive at a toll booth with a mean arrival rate of 2 veh/min (the time between arrivals is exponentially distributed). The toll booth operator processes vehicles (collects tolls) at a uniform deterministic rate of one every 20 seconds. Wh..
what do mean by outstand element of compression flange, internal element of compression flange and web general
Two smooth circular cylinders of weight w=500N and radius r=200mm are connected at their centres by a string AB of length 600mm and rest upon a horizontal plane.
The number of vacancies in some hypothetical metal increases by a factor of 4 when the temperature is increased from 1090 K to 1140 K. Calculate the energy (in J/mol) for vacancy formation assuming that the density of the metal remains the same ov..
an electrical-generation utility sometimes pump liquid water into an elevated reservoir during periods of low electrical consumption. this water is used to generate electricity during periods when the demand for electricity exceeds the utilities a..
The beam is simply supported and spans 25 feet. The beam must be designed for a superimposed uniformly distributed dead load of 1 kip/ft, and a concentrated live load of 12 kips that acts 10 feet from one of the supports.
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