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State two situations where prismoidal corrections are most significant.
Q28;
Write a computer program to calculate slope intercepts and end areas by the coordinate method, given cross-section notes and roadbed design information. Use the program to calculate the slope intercepts for the data of Problem 26.16.
Problem 26.16:
From the following excerpt of field notes, plot the cross section on graph paper and superimpose on it a design template for a 30-ft-wide level roadbed with fill slopes of 2-1/2:1 and a subgrade elevation at centerline of 970.30 ft. Determine the end area graphically by counting squares.
Determine the force required to drag a small barge (10 ft by 30 ft) in a shallow canal (3 inches deep) in order to maintain a velocity of 5 ft/sec. Assume that the fluid is behaving in a Newtonian fashion and the water temperature is 68 degree fah..
The evaporation rate from the surface of a 3650-acre lake is 100 acre-ft/day. Estimate the depth change in the lake in feet during a 1-year period if the net inflow to the lake is 25 cfs. Is the depth increasing or decreasing
A Silane contains 90.31 % silicon and 9.69 % hydrogen by mass. The compound has a molar mass of 62 g/mol. Determine the compound's empirical and molecular formula.
A horizontal pre-stressing force of 500kN is applied to rectangler beam. the beam has a depth of 500mm and a width of 250mm. the force is applied at a distance of 80mm below the x-x axis. what is the stress along the top edge and the bottom edge caus..
A 1045 steel will be heat treated in air at 900 C. What is the carbon concentration at 0.4 mm below the surface after 6 hours
Determine the force in members CD, HI, and CH of the truss, and state if the members are in tension or compression.
The calculation and layout of horizontal and vertical curves should be done only by experienced surveyors and differential leveling measurements
If the submarine operates at a depth of 75 meters (to the center of the side portals), what is the hydrostatic force on one of the side portals, in KPa?
Compare your predictions with the measured fatigue crack growth rates for both frequencies and discuss possible reasons for the discrepancies, if any, between your predictions and the experimentally determined growth rates.
a meter long steel plate with a rectangular cross section(10mm x 50mm) is resting on a frictionless surface under the sun. the plate temperature is measures to be at 40C.
The air pressure is taken to be 80kPa and the mean annual temperature is 2 degrees Celsius. What are the specific mechanical energy and power available in thw wind that a wind turbine with 60m diameter blades might be able to harvest
a particle of mass 200kg is lifted up vertically by a force of 104n. assuming the acceleration due to gravity is
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