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1.The two disks each have a mass of 25kg and are attached at their centers by an elastic cord that has a stiffness of k = 1.6kN/m . Determine the stretch of the cord when the system is in equilibrium
2.Air mass of 4 kg of liquid water is cooled from 90c to 10c under a constant pressure. Determine the change in its entropy, assuming the process to be reversible.
3.An idealized porous medium consists of a horizontal straight capillary tube of length L and radius r. The medium contains a wetting phase in equal proportions. Calculate the numerical value of the Leverett J- function for this idealized porous medium. Assume the wall thickness of the capillary tube to be negligible small.
Determine the design hourly volume for the road below, recommend the K factor first.
The Metrodome's inflatable roof covers 10.0 acres and its interior volume is 60.0x103 cubic feet. During construction, 40.0x103cubic yards of concrete, 11.9x103 tons of reinforcing steel, and 5.00x102 tons of structural steel were utilized.
The scale of a spring balance reading from 0 to 235 N has a length of 13.0 cm. A fish hanging from the bottom of the spring oscillates....
The ordinate of a5-hr unit hydrograph of a basin is determined equal to 300 cfs at atime 4 hours after the beginning of net rainfall. What would be therunoff rate after 4 hours if a storm of uniform intensity
THE HOME DEPOT IN RED HOOK ,BROOKLYN IS LOOKING TO RENOVATE THEIR STEEL ROOF TRUSS.YOU HAVE BEEN ASKED TO DETERMINE THE CENTROID,MOMENT OF INERTIA,SECTION MODULUS AND RADIUS OF GYRATION OF THE DOUBLE ANGLE.
An 18 in. newriveted steel pipe 1000 ft long runs from elevation 150 ft toelevation 200 ft. If the pressure at elevation 150 ft is 100 psiand at elevation 200 ft is 72 psi, what flowrate can be expectedthrough the line? (use e = 0.003 ft)
Part of a vertical piping system consists of 8 ft of 4 in diameter, connected to 8 ft of 3 in diameter above, and connected to 8 ft of 2 in diameter above that. Water at 60 F flows up the pipe (no downward flow occurs)
During the first 18 minutes of a 1 hour trip, a car has an average speed of 11 m/s. What must the average speed of the car be during the last 42 minutes of the trip to be if the car is to have an average of 21 m/s for the entire trip
A confined aquifer has a specific storage of 2.5*10^-6 ft^-1 and a thickness of 200 ft. How much water would it yield if the water declined 5.5 ft uniformly over a circular area with a radius of 1000 ft
Isolated on a high plateau, the Los Alamos National Laboratory seemed an ideal place to store a bomb factory's deadly debris. But the heavily fractured mountains haven't contained the waste, some of which has trickled down hundreds of feet to the edg..
For cubic crystals, as values of the planar indices h, k, and l increase, does the distance between adjacent and parallel planes (i.e., the interplanar spacing) increase or decrease? Why?
If the hydraulic head in the canal is 100 ft and in the drainage ditch it is 80 ft calculate the maximum mounding height and the mounding distance from the canal that will occur if the farmer irrigates at a rate of 2 acre-ft/acre/year.
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