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a well is located in a confined aquifer. the transmissivity of the aquifer is 1200 m^2/d and the storativity is 0.0005. the flow rate is 4000 m^3/d. At a distance 75m from the well, determine the drawdown after 2 days of puming
A sample of 20 yields a mean 32.4. Test the two sided hypothesis that the sample drawn from a population with a mean of 35 for the following cases. (a) if a variance of the population is 33; and (b) if the variance of the population is unknown,
A big municipal utility district is considering two large-scale conduits. The first includes construction of a steel pipeline at a cost of $200 million.
if the rolling resistance is 1/100 of the weight of the car, determine the compression of each spring when the car is momentarily brought to rest spring 1 500kN/m spring 2 300kN/m and distance between springs and car 30m
A steady fire with an energy release rate of 500 kW occurs in a room 3m wide, 3m long, and 2.4 m high, with a door opening which is 1.8 m high and 0.6m wide. the ambient temperature is 20 degree celcius.
A subsurface detention basin is installed beneath a street to help prevent flooding. Water from the rain is chanelled into the basin and begins to infiltrate into the ground when it reaches 1ft.
a 150 kg mass is suspended by wires from two hooks. the lengths of the wires have been adjusted so that the wires are each 50º from horizontal. assume that the mass of the wires is negligible.
What is the corresponding horizontal distance between the points - The slop distance 156.777 from one poin to another at rate of+1.5%
In an irrigation system sometimes water must be pumped over long distances. Consider a system that consistes of a 1 m diameter, 2 km long commercial steel pipe, which connects a river to an irrigation canal.
Find the moment of inertia and natural frequency of a vertical cantilever pipe 12 feet tall with outer diameter of 4.5 inches and an inner diameter of 4.25 inches. Modulus of Elasticity = 10*10^6 Mass = 50 lbs.
Collars A and B are connected by a 25 in long wire and can slide freely on frictionless rods. If a 60 lb force Q is applied to B. determine tension in wire when (black) x = 9 in and b) corresponding mag of force P required to maintain equilibrium ..
A 2-inch by 2-inch solid steel beam (18 inches long) is fixed to the wall at the left to resist applied moment (20,000 lbs-inch). What would the deflection be at the right end Up or down
(a) Derive equations for the shear force V and the bending moment M for segments: AB, AC and AD (Place the origin at point A). (b) Plot the shear-force and bending-moment diagrams for the beam using the derived functions.
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