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A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16" radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is know that at the car's top speed the engine is producing 220 ft-lb of torque. If the car's frontal area is 25 sq ft, what is it's drag coefficient?
You are a real estate salesperson working for Good Earth, Realtors, Inc. You receive 50 percent of all commissions received by the firm (net of MLS fees) for which you were either the listing agent or the selling agent.
The rate constant for decay of contaminant A in the reservoir is k=1.5 (1/year). Assuming the population, discharge rate, and reservoir conditions have been stable for a long time, estimate the concentration of A in the reservoir.
The buildings are single story with a rood line 6 feet above the man-door opening is constructed from clay brick that is 12 inches thick and weighs 115 psf. the opening of the man-doors are 3 feet 4 inches wide.
Determine the percent error n in replacing the sine and the tangent of an angle by the value of the angle in radians for angle values 5 degrees, 10 degrees, and 20 degrees. Explain the qualitative difference between the sine and tangent results
Two transmission belts pass over sheaves welded to an axle supported by a thrust bearing at B and a journal bearing at D. The sheaves A has a radius of 50mm, and the sheave at C has a radius of 40mm.
Determine the maximum displacement of the plate A if the billet strikes the plate with a speed of 8 . Neglect the mass of the springs, rollers and the plates A and B. Take = 4000 , = 40000 .
Determine the compressive strengths of the following
A civil engineering student contends that 60 mph is safe in a van because of the higher driver's eye height. If all other design inputs are standard, what must the driver's eye height in the van be for the student's claim to be valid
The grade of the highway, Suppose that a highway rises a distance of 269 feet in a horizontal distance of 2647 feet.
The aluminum end and the copper end are maintained at temperatures of 50°C and 260°C, respectively. The thermal conductivities of aluminum and copper are 205 and 385 W/m · K, respectively. The temperature of the aluminum-copper junction in the rod..
Beam Deflection Solution, Derive an expression for the deflection due to shear for a cantilever beam of constant rectangular cross section, under action of a point load, P at free end.
A water tank has a height of 120m, and its area of cross-section is 2000m. Water is released from the tank and the water level drops by 1 meter every minute. Find the rate of change in volume.
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