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1.A municipality wants to sell 30 year bonds to pay for a new WWTP. Investors want a market rate of return on their money of 3.5% or higher for the tax free bonds. The City needs to raise $32.5m today. What would be the semi-annual cash payments that the City will have to make to the investors to retire the bonds and what will be the ultimate cost to the City of the bonds. Please show all work neccessary to answer the question in excel.
2.A circular sewer with a 1.5m inside diameter is designed for a flow rate of 15m^3/s when flowing full. Assume that the Manning roughness coefficient and Darcy friction factor are constant with depth of flow. The flow rate when the depth of flow is 0.50m is most nearly?
If the forest is considered to be negatively affected at levels exceeding 300 ?g m-3, use your knowledge of atmospheric transport to determine whether the environmentalists' case is justified.
The prototype and model will both be in air, if the prototype has a velocity of 500 ft/s and a diameter of 30 ft, what should the velocity for the model be if the model diameter is 2 ft
What are the velocities of both just before impact and just after impact. There is a distance of 5m between the vehicles prior to the winch being turned on.
Each wheel of an automobile has a weight of 48 lb, a diameter of 23 in., and a radius of gyration of 9 in. The automobile travels around an unbanked curve of radius 450 ft at a speed of 65 mi/h.
A saturated sample of clay with an sl 20 has a natural water content of 32%. What would its dry volume be as a percentage of its original volume of Gs.= 2.67.
Within a field that is used for agricultural production, a clay unit is found at a depth 8ft below the land surface. the surface soil has a hydraulic conductivity of .6 ft/d. if parallel drains are placed 2 in per day
a wall 8 ft high is 3/3/8 ft. from a house. find the shortest ladder which will reach from the ground house when leaning to the wall.
A dam has a parabolic shape z/zo = (x/xo)2, with xo = 10 ft and zo = 24 ft. The fluid is water, gamma = 62.4 lbf/ft3, and atmospheric pressure may be omitted.
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.
The river flow at an upstream gauging station is measured to be 1500 m3/s, and at another gauging station 3 km downstream, the discharge is measured to be 750 m3/s at the same instant of time.
a photograph is taken of a transverse wave travelling along a length of rope. at this instant the shape of the wave is
A circular cam is in contact with a rectangular lifter and used to intermittently operate a piece of equipment at the end of a lifter arm. The lifter is constrained to move only in the vertical direction. The cam has a radius of r = 7.2in and is rota..
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