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A car dealership offers $2000 cash back; financing at 3.49% APR for 60 months or 0% APR for 60 months when you purchase a car. What is the break even point and when would it be better to choose one option over the other.
The frame ACD is hinged at A and D and is supported by a cable that passes through a ring at B and is attached to hooks at G and H. If the tension in the cable is 1125 N (thus 1125 N in section BG and 1125 N in section BH)
A closed cylindrical tank filled with water has a hemispherical dome and is connected to an inverted piping system. The liquid in the top part of the piping system has a specific gravity of 0.68.
the flow profile is such that u=u(max)*(1-(r/R)^2) where u is the flow speed and r is the distance from the centre of the pipe in the radial direction. What is the shear stress on the pipe wall What is the shear force exerted by the oil on a 1m lo..
A sag vertical curve along an existing vertical alignment begins at station 23+45 and ends at station 30+25. The initial grade coming into the curve is -2% and the grade out is +5%. What is the finished grade elevation on the curve at station
THe upper end of the spring is welded to the lunger and the lower end is welded to the base plate. If the plunger is lifted 1.5" above equilibrium and released from rest, calculate its velocity as it strikes A.
A company that manufactures regenerative thermal oxidizers made an investment 10 years ago that is now worth $1,300,000.
The 70 m tall tower is supported by three cables that exert forces FAB, FAC, and FAD on it. The magnitude of the force FAB is 2 kN. The x and z components of the vector sum of the forces exerted on the tower by the three cables are zero. What are ..
design a horizontal curve with a 40-degree central angle ( delta = 40) for a two-lane road with 11-ft lanes. The design speed is 70 mi/h and superelevation is limited to 0.06 ft/ft. Give the radius, degree of curvature, and length of curve that yo..
A Pelton wheel located at an elevation of 200.0 m is sued to extract power from a reservoir at an elevation of 800.0 m. A penstock 1500 m long and 0.8 m in diameter connects the reservoir and nozzle of the Pelton wheel.
The air density is 0.00206 slugs/cuft. The car has frontal area of 19.8 sqft, a drag coefficient of 0.28, a wheel radius of 12.6 inches, a drive axle slippage of 3%, and a drivetrain efficiency of 88%.
A tensile test was performed on a metal specimen having a circular cross section with a diameter of 0.50 inch. The gage length is 2 inches. For a load of 13.5 kips, the elongation was 4.66 x 10-3 inches.
How does aggregate size influence the coefficient of permeability of concrete? List other factors that determine the permeability of concrete in a structure.
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