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A 2005 Chrysler Town and Country MInivan has a frontal area of 2.9m2 and a drag coefficient of 0.35. A 2000 Honda Insight has a frontal area of 1.9m2 and a drag coefficient of 0.25. Determine the amount of money saved per year associated with aerodynamic drag reduction as a result of switching from the Chrysler to the Honda. Assume 12,000 miles per year at an average speed of 55 miles per hour. Use this gasoline data: price $3.50/gal, energy content 1.3 x10^8 J/gal. Assume an engine efficiency of 30%. Note the savings you would estimate by simply looking up the "miles per gallon" ratings of these cars may be higher due to the factors other than aerodynamic drag.
Determine the Stoichiometric oxygen requirement (pounds of oxygen per pound of fuel) for a fuel containing by weight 50% n-octane,25% 1-heptene and 25% methanol.
The elevation of the lowest bottom of the structure is at 1470 feet. Calculate the maximum length (feet) of the parabolic curve required to meet the given conditions.
A barge has the trapeziodal shape and is 22 m long into the paper. If the total weight of barge and cargo is 350 tons, what is the draft H of the barge when floating in sea water
A constant pressure container is filled with 1 kg of stainless steel and 0.5 kg of PVC (polyvinyl chlo- ride) both at 20C and 0.25 kg of hot air at 500 K, 100 kPa. The container is now left alone with no external heat transfer.
In the construction management, there is a lot of procurement route that are necessary and suitable for the construction industry.
The coal has an ash content of 12% by mass. Forty percent of the ash falls out the bottom of the furnace. The rest of the ash is carried out of the furnace with the hot gases into an electrostatic precipitator (ESP).
The road is in good condition and is initially dry, but it becomes wet 160 ft before the stalled car (and stays wet until the car is reached). What is the minimum distance from the stalled car at which the driver could apply the brakes and still s..
150,000 mol of aqueous phosphoric acid (H3PO4) solution contains 5.00% H3PO4 by moles. The solution is concentrated by adding pure H3PO4 at a rate of 20.0 L/min.
Find the coeficient of friction between the trusses and the inclined. Three trusses are 1m long 1kg each.
A wheel tractor-scraper is operating on a level grade, assuming no power derating is required for equipment conditions, altitude, and temperature.
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.
Does the presence of Mg2+ significantly interfere with the determination of Ca 2+ by the EDTA titration?
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