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Problems were found in the use of precast concrete, is: A. Need a larger initial investment B. Requires fabricating a very wide area C. Need more manpower D. Must be close to the installation location
Springs AB and CD have a stiffness of k = 300 N/m and k' = 200 N/m, respectively, and both springs have an unstretched length of 600 mm. If the 2-kg smooth collar starts from rest when the springs are unstretched
A horizontal curve was designed for a four-lane highway for adequate SSD. Lane widths are 12 feet, and the superelevation is 0.06 and was set assuming maximum fx.
Design a cord (design the constants k and ) so the cord stretches 2.5 times the unstretched length, and the acceleration of the jumper doesn't exceed 3g, and the cord has zero stiffness at the bottom of a 400ft drop.
A tangent section of highway has a -1.0% grade and ends at station 0+1450and elevation 25m. It must be connected to another section of highway that has a -1% grade and that begins at station 1+345 and elevation 40m.
somewhere in the alps a mountain lake discharges into a 8-m wide stream withnbspboulders across the bottom and gravel
1.a rectangular concrete channel is 3 m wide and 2 m high. the water 20 deg celsius in the main channel is 1.5 m deep
discuss dna damage and repair in the context of human disease. your answer should discuss the potential causes of dna
A four year financial project has net cash flows of $20,000; $25,000; $30,000; and $50,000 in the next four years. It will cost $75,000 to implement the project. If required rate of return is 20%, conduct a discounted cashflow calculation
Determine the mass flowrate through boiler needed to produce 5000KW of power.
A 1,000 L water tank contains 1,200 moles of an experimental chemical that is a weak acid with pka of 7.2. The PH of the tank is 9.0. what is molar concentration of the chemical that will dissolve in the water at PH 9.0
Two similar cylindrical polished bars weighing 5.00 N each lie next to one another in contact.A third similar bar is placed on the other two in the groove between them.Neglecting friction,what horizontal force on each lower bar is necessary to keep t..
The flowrate through an open channel with a slope of 2 % is calculated using Manning's equation at 100 cubic feet per second. If the slope of the channel is doubled to 4%
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