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A heavy chain with a mass ρ per unit length is pulled by the constant force P along a horizontal surface consisting of a smooth section and a rough section. The chain is initially at rest on the rough surface with x = 0 If the coefficient of kinetic friction between the chain and the rough surface is πk determine the velocity v of the chain when x = L. The force P is greater than πkρgL in order to initiate motion.
What is the length of a 2 degree increment along a (A) meridian and (B) parallel at 45N and 115W. Assume the radius of Earth is 6370 km.
A saturated clay has a water content of 40% and bulk specific gravity of 1.90. Determine the voidratio and specific gravity of particles
Prepare an engineering report for the following abstract. This report is based on the four tests which were carried out on the laboratory to help gain concepts in Highway Engineering.
A 75-lb block is supported by the spring arrangement shown. The block is moved vertically downward from its equilibrium position and released. Knowing that the amplitude of the resulting motion is 2 in.,
One can lease a car for $550 per month with no down payment or purchase one for $20,000 now. If the nominal interest rate is 8% per year, how many months of use necessary for the two to break even
A wood mallet has a cylindrical head 6 inches long and 3 inches in diameter. If the cylindrical head is 1 inch in diameter how long must it be for the mallet to balance at a point 6 inches from where the handle enters the mallet? (use 40 lb / ft cube..
Sketch a streamline, pathline, and streakline, For a given flow the velocity from time t=0 to t=5s was u=2 m/s, v=0. Then from t=5s to t=10s the velocity was u=+3 m/s, v=-4 m/s. A dye streak was started at t=0
An investigation of a particular site revealed a 4m thick deposit of peat overlying a deposit of soft clay .A 150 mm diameter by 300 mm long sample taken from the peat deposit was weighed and found to have a total mass of 5036 g and after oven-drying..
An equal-tangent crest vertical curve is designed with a PVI at station 110+00 and a PVC at station 107+43.3. if the high point is station 110+75.5 what is the design speed of he curve?
Find the limiting length of an offset so that the displacement of a point on paper is may not exceed 0.025 centimetres.The offset was laid 3 degree out from it's true direction and the scale was 10m to 1cm.
Consider a wind turbine at elevation of 7000 ft. The air pressure is taken to be 80kPa and the mean annual temperature is 2 degrees Celsius. What are the specific mechanical energy and power available
An absorption column is to be designed to recover 99.5% of the NH3 from a feed stream, which is supplied at 72 F and an NH3 partial pressure of 10 mm Hg. The feed stream contains 2100 lbm/hr of air.
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