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The crate has a mass of 200 kg and is subjected to the two forces. The coefficient of friction between the crate and the floor is µs = 0.4 and µk = 0.3. If P is slowly increased until the crate starts to move and then remains constant, determine using energy methods the speed of the crate after moving 2 m.
A measurement was recorded as 171.278 m with a 30-m tape that was only 29.996 m under standard conditions. What is the corrected measurement?
What do you understand by the term durability? Compared to other considerations, how much importance should be given to durability in the design and construction of concrete structures?
Beginning whith the 1-D, steady state, general mass(volume) balance equation Qin-Qout=0 derive the 1-D poisson equation.
What is the design storage and water surface elevation at the peak outflow rate and estimate the long-term average reduction (EPA, 1986) in particulates under dynamic conditions.
a storage tank has a diameter of 80 ft, a height of 25ft and contains oil to a height of 15ft. the suction pumps, which can handle 15000bbl/d, are started, but the safety valves are clogged and a vacuum is drawn in the tank.
Ignoring both axial and shear deformations and using the unit force method, calculate the vertical displacement of joint B.
What are minerals? Sketch different types of mineral crystal forms and list different types of rock forming minerals. Describe with examples the importance of mineral identification in engineering applications.
What ethical problems might these conflicts create? How are these two different ethical codes tied to public perceptions of the role of law enforcement?
The section of the plywood in the 3rd quadrant is sawed off and the resulting piece is then glued squarely over the 4th quadrant portion of the plywood with glue of negligible weight.What are the x- and y-coordinates of the resulting center of gra..
A cross section of a cottage, 20 ft wide, is an isosceles triangle. If the slope of a side is 1.75 and there is a second floor 8 ft above the ground floor, what is the width of the second floor?
What are the major policy aspects of the Clean Water Act? What is the history and statutory basis for federal regulation of wetlands? What are the national permits? What are the origin and significance of the no net loss policy?
Break Even Stripping Ratio (BESR), Given an underground total mining cost of $8.85 per tonne, surface mining costs of $2.95 per tonne of ore, and surface mining stripping costs of $1.75 per tonne of waste
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