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Consider the function z =z(x, y). Write an essay on the physical interpretation of the ordinary derivative dz/dx and the partial derivative (𝜕z/𝜕x)y. Explain how these two derivatives are related to each other and when they become equivalent.
Plot the variation with depth (z) of the at-rest lateral earth pressure behind the wall, and determine the magnitude and location of the at-rest lateral earth force per unit length of wall.
a direct shear cell 25.4cm x 25.4 cm in plan is filled with dry sand. a normal load of 6kN is applied to the sample, and the shear failure is 3.5kN. What is the anle of internal friction for the sand
Assume that a gallon of gas contains 114,000 BTUs of energy and that a brilliant engineer has created an 80 percent efficient solar cell. Find the area (in square smoots and in square feet) that an array of these solar cells would need to power the a..
At failure, the respective minor and major principal stress values are 20 kPa and 46 kPa for one and 40 kPa and 80 kPa for sample two. From these data, determine the value for (phi)cu and the cohesion intercept c on the Mohr's circle shear stress ..
An engineer would like to make a physical model of the molasses flow but use water instead of molasses. How much would the velocity and the radius of the pipe have to change to keep the flow dynamically similar
if shaft A have 1200N.m torque with 25cm diameter and the shaft B have diameter of 52cm what is the torque of shaft be
Draw a diagonal line across the contours and plot a longitudinal section (profile) of the area in question.6) The area is to be excavated to a formation level of 90 in order to construct a multistorey building. The sides of excavation are to be ve..
Wastewater is discharged into an aquifer. This wastewater contains 0.1 ppm atrazine (a common herbicide). The MCL of atrazine is 5 ppb, the density is 1.19 g/mL and the solubility is 50 ppm. 500 ft away from the plant effluent there is a permeable..
A beam of negligible mass is supported by two cables when a load P is applied. If P is 100 Ib, find the tension in the cables, their elongation, and the minimum thickness of the beam if it is to be made of aluminum.
Two pounds of an ideal gas are contained within a piston-cylinder arrangement. The initial volume and pressure are 1 ft3 and 75 psia respectively. The final volume is 3 ft3.
A tied short column of square cross-section is subjected to a factored axial load of 2500 kN and a factored bending moment of 175 kN.m. Use a 40 mm clear cover to the ties and a 20 mm maximum aggregate size.
The assignment is on the topic Plastics. Kindly be very careful about plagiarism and referencing - Describe different residential construction systems and Sketch typical construction details free hand or preferably via an elementary CAD package.
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