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The self-regulating floodgate ABC, pinned at B, is pressed against the lip of the spillway at C by the action of the 3645-lb weight A. If the gate is to open when the water level reaches a height h = 6 ft, determine the distance x locating the weight A. Neglect the weight of the gate.
We are digging a hole to build a building. Calculate the energy needed to bring the soil to surface level. Remember the sides of the excavation lie at 45 degrees. Else, the whole would be constantly refilling itself.
To adjust the mix so as to increase the compressive strength, the water-to-cement ratio is reduced to 0.45. Will the quality of the coarse aggregate increase, decrease, or stay the same
What is the Hydraulic Radius of a rectangular channel that has a bottom width of 5 feet and a flow depth is 3.5 feet. Assume the bed slope is 1.5%, and the Manning's roughness coefficient is 0.013.
A car traveling over a hill at constant speed starts to lose contact with the ground at O. If the radius of curvature of the hill is 85 m, determine the speed of the car at O.
Create a function called [polygon] that draws a polygon in a polar plot. Your function should have a single input paramter - the number of sides.
Determine the pressure distribution along the base of the dam and beneath the apron. Calculate the uplift forces on the dam foundation and on the apron.
Knowing that the tension in the spring is70 N and the speed of the collar is 3.8 m/s as it passes through point A, determine, at that instant, the radial and transverse components of acceleration of the collar.
A pressurized steel tank has a radius r=0.6m, a wall thickness t=18mm and an internal pressure p of 2.8 MPa.The steel has a modulus of elasticity E of 200 GP and a poissons ratio 0.30.
What are the advantages and disadvantages of triaxial test in comparison with direct shear test
Exhaust gas from a chemical process flows at a rate of 8,000 actual cubic feet per minute (acfm) from point A at 250°F and 1 atm pressure. It flows through a circular duct to a fan
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
An emission control system for a new car costs $750 and reduces NOx emissions from 0.4 g/mile to 0.18 g/mile. Assume the car is driven 10000 miles per year, and the life of the emissions control system is 11 years with zero scrap value.
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