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1.For a given two-dimensional (x,y) Free body diagram (FBD) that is in Static Equilibrium, what are the two equations that civil engineers balance and use to solve for the forces?
2.Write out the final version of Hooke's Law which includes Young's Modulus. Draw the idealized Stress-Strain diagram for a material. On the drawing, please label: the yield stress, the plastic deformation, and the yield strain.
The canal shown below is to be widened so that it can carry twice the amount of water. Determine the additional width L required if all other parameters (i.e. flow depth, bottom slope, surface material, side slope) are to remain the same.
Air enters an air - standard Otto cycle with a pressure and temperature of 1 bar and 15 C respectively. The compression ratio is 9 and the bore and stroke of the cylinder are (10 cm, 12 cm).
A ten-foot high wall will retain a medium dense sand backfill. Determine the Rankine earth pressure diagram and the total active force on the wall.
If a sample of wood measuring 1.45" x 3.45" x 6" long has a green weight of 8.55 lb. Determine the specific gravity of this wood.
A home builder must construct a sewage treatment plant and deposit sufficient money in a perpetual trust fund to pay the $5000 per year operating cost and to replace the treatment plant every 40 years.
The cost of extending a certain road is $850,000. Resurfacing and other maintenance are expected to cost $175,000 every 3 years and lasts for 96 years. What is the present worth of the road at an interest rate of 6% per year (over that period)
A horizontal curve is designed for a two-lane road in a mountainous terrain. The following data are known: Deflection angle: 40 degrees Tangent: 436.76 Station of PC: 2695 + 73.89 Side friction factor = 0.12 Superelevation = 8% Superelevation run-off..
What would be the absolute pressure, P in kPa, of carbon dioxiode at 20 degrees celcious if the specific weight of carbon dioxide at 20 degrees celcious is 18 N/m^3 and the gas constant, R =1.889x10^2 J/kg*K.
Calculate the pressure at the clay-sand interface for two cases:1) clay on top of the sand and 2) clay on the bottom of thevertical sand column.
If I raise a 1000 lbf weight 100 feet above sea level on earth in 10 seconds how much power will be required
determin the force in memebers de, hg and he of the trees and state if the members are in comperhemsion
The center 0 of the wheel is mounted on the sliding block, which has an acceleration of a0= 8 m/s2 to the right. At the instant when theta=45 degrees, theta dot is = 3 rad/s and theta double dot is = -8 rad/s2.
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