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Prepare a computational program that computes the end-areas in Problem 26.20.
Problem 26.20:
For the data of Problem 26.19, calculate slope intercepts and determine the end area by the coordinate method.
Problem 26.19:
From the following excerpt of field notes, plot the cross section on graph paper and superimpose on it a design template for a 40-ft-wide level roadbed with cut slopes of 3:1 and a subgrade elevation of 1239.50 ft. Determine the end area graphically by counting squares.
The brass tube AB (E=105 GPa) has a cross-sectional area of 140 mm^2 and is fitted with a plug at A. The tube is attached at B to a rigid plate that is itself attached at C to the bottom of an aluminum cylinder
A solid cylindrical conductor is supported by insulating disks on the axis of a conducting tube with outer radius R_a = 5.75cm and inner radius R_b = 5.05cm . The central conductor and the conducting tube carry equal currents of
A 1 meter diameter cylindrical mass, M, is connected to a 2 meter wide rectangular gate. The gate is to open when the water level, h, drops below 2.5 meters. Determine the required value for M. Neglect friction at the gate hinge and pulley.
In Chlorine disinfection (3-log reduction in Giardia- Cysts), determine the water pH for a contact time of 90 minutes using a chlorine concentration of 2 mg/L at 20 degrees C
The standard molar entropies of water ice, liquid and vapor are 37.99, 69.91, and 188.83 J K-1mol-1, respectively. On a single graph, show how the Gibbs energies of each of these phases vary with temperature between – 20 C and 150 C
planes on which stage I shear cracks may form and
What will the freeway's density and level of service be before and after the ban? (Assume that the trucks are removed and all other traffic attributes are unchanged).
The roadway follows the equation (x^2/(60m)^2) + (y^2/ (40m) ^2) = 1 where x and y are in meters. Find the maximum acceleration experienced by the cars. Hint: begin by making a sketch of the ellipse.
A 1 m diameter mass, M is connected to a 2 m wide rectangular gate. The gar is to open when the water level ,h, drops below 2.5 m. Determine the required value for M.
Determine the force P required to move the wedge under the post. The coefficient of static friction between all surfaces is 0.25. The applied force F is 200 lbs and the angle alpha is 15 degrees.
The coefficient of friction between the crate and the floor is µs = 0.4 and µk = 0.3. If P is slowly increased until the crate starts to move and then remains constant, determine using energy methods the speed of the crate after moving 2 m.
(i) Determine the flow rate through pipe B. Discard minor losses and assume the water temperature to be 150C. (ii) Show that the flow is fully rough and thus the friction factor is independent of Reynolds number.
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