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The cash flow associated with landscaping and maintaining a certain monument in Washington, D.C., is $100,000 now and $50,000 every 5 years forever. Determine its perpetual equivalent annual worth (in years 1 through infinity) at an interest rate of 8% per year.
A 16-ft [4.88 m] span beam is fixed at one end and simply supported at the other end. A single concentrated load of 9600 lb [42.7 kN] is placed at the center of the span.
At the minimum volume reached during shrinkage, a specimen of soil has a void ratio of 0.87. if Gs = 2.72, calculate the shrinkage limit
Immediately upstream of the treatment plant, the Pine River has an ultimate CBOD of 2 mg/L and a flow of 9 × 105 m3/day. At a distance of 20 km downstream of the treatment plant, the Pine River has an ultimate CBOD of 10 mg/L.
What are the effects of reducing w/c on porosity, permeability, and compressive strength of hydrated cement. Porosity: capillary pore volume/total volume of hydrated cement specimen
Consider a 2D triangular element with the three vertices at 1[1,1], 2[1,2] and 3[2,2]. the displacements at these t hree points are [0.1,0.1], [0.3,0.2] and [0.4, 0.3] mm for point 1,2,and 3 respectively
The driver strikes the sign at a speed of 25 mi/h. If the student was traveling at 55 mi/h when the sign was spotted, what was the drivers associated reaction time in seconds
Imagine a slide with a radius of 1.5 m and a vertical drop of 2 m per turn. Further suppose that one of my daughters is sliding down at a constant speed of 2 m/s
determine the angular acceleration of the spool and the acceleration of the trailer. The wheels have negligible mass and are free to rotate.
If the dry-rodded unit weight of an aggregate is 105 lb/ft3 (1680 kg/m3) and its specific gravity is 2.65, determine the void content.
A 2500-lb automobile is moving at a speed of 60 mi/h when the brakes are fully applied, causing all four wheels to skid. Determine the time required to stop the automobile (a) on dry payment (u=0.75), (b) on an icy road(u=0.10).
Q. Briefly explain the purpose of the International Space Station, and list the name of all space agencies involved in building and operating it. When is the assembly of the station expected to be completed? Include the name and the expected date ..
An investor has invested $250,000 in a new rental property. Her estimated annual costas are $6,000 and annual revenues are $20,000. What rate of return per year will the investor make over a 30-year period ignoring the salvage value
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