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Near the point (x, y) =(3,2) in a flow with a zero y-component (v=0), the velocity component are described by u =3x-3z, and w = 6-4z+ x. The velocities u and w are in m/s and are in the x- and z- directions, respectively. Both x and z are measured in meters and z is in the upward direction. The streamline passing through the point (3,2) is known to reach a stagnation state at the fluid surface (z=4), where the gage pressure is zero. The density of the fluid is 1000 kg/m3. Determine the velocities and u and v and the speed of the flow along the streamline at (3,2). Determine the slope of the streamline in degrees from horizontal. Determine the acceleration at the point. Determine the pressure at the point (3,2) in N/m2 gage.
A water column in a glass tube is used to measure the pressure in a glass pipe. The tube is 1/4 in. in diameter how much of the water column is due to the surface tention effects
The landing gear of an airplane can be idealized as the spring-mass damper system. If the runway surface is described y(t)=y0 cos wt, determine the values of k and c that limit the amplitude of vibration of the airplane (x) to 0.1m. Assume m=2000k..
determine the horizontal spacing of the vertical drains if the drains are installed in triangular grid to reach 90% of primary consolidation in 1.5 years after the commencement of fill placement
How do the concepts of green design, industrial ecology, and sustainable developement differ from past approaches to engineering design Prepare a brief report on this topic using some specific examples for illustration.
The number of parking tickets issued in a certain city on any given weekday has a Poisson distribution with parameter = 50. What is the approximate probability that 1 between 35 and 70 tickets are given out on a particular day
A rectangular beam of width 300 mm and depth 450 mm supports loads producing a shear force of 300 kN at a particular section. What shear stresses exist at the following points
If the elevation difference between the water surfaces is y = 25 + x/11 metres, what minimum pipeline diameter will be required to convey the design discharge? Once your design is complete, determine the actual discharge. The value of x equals 23.
A 24-in.-long copper bar with a yield strength of 30,000 psi is heated to 120°C and immediately fastened securely to a rigid framework. The coefficient of thermal expansion for copper is 16.6x10-6 (1/oC).
A rigid horiztonal bar is suspended from two springs and is subjected to a vertical force of F0 = 158.8 kips. Each spring has a stiffness k = 14.7 kips/inch. If L1 = 11 inches and L2 = 11 inches, use strain energy to calculate the deflection of th..
The center of gravity of the crane is 10 ft from the pin, and the crane weighs 200 lb. What is the tension in the horizontal cable.
A stainless steel pipe (k= 17 W/m?C) is being used to convey heated oil. The inside surface temperature is 130?C. The pipe is 2 cm thick with an inside diameter of 8 cm. The pipe is insulated with 0.04 m thick insulation
Explain how the different physical characteristics and moisture content of soil lead to the different angles of repose, swell, and shrinkage factors. Explain how these factors affect excavation operations and costs.
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