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Aluminum cans in the 1970's were considerably heavier than they arenow. For a 0.355-L (12 oz) aluminum can, with mass 0.0205 kg, andusing a 25 percent recycling rate, find the primary energy requiredto produce the aluminum in one such can. What percent reduction inprimary energy has resulted from the lightweighting of cans ?
Calculate the final pressure, temperature when the nitrogen isreduced to that volume. What is the modulus of elssticity at thebeginning and end of the compression. k=1.4
Water is flowing at a depth of 10 ft with a velocity of 10 ft/s in a channel of rectangular section. Find the depth and change in water surface elevation caused by a smooth upward step in the channel bottom of 1 ft.
what was involved in the first far-reaching, comprehensive study of Earth's oceans?
Find the location and magnitude of the resultant force using the numerical integration and the midpoint rule for the following loading of a plate bounded by x=0-2ft, y=0-2ft and z=0 ft. P(x)=16-x^2-2y^2 (lb/ft^2)
A bar of monel metal (length L=9 in., diameter d=0.225 in.) is loaded axially by a tensile force P. If the bar elongates by 0.0195 in., what is the decrease in diameter d What is the magnitude of the load P
In the late 1990's the U.S. Army Corps of Engineers designed an experiment to model the flow of the Tennessee river downstream of the Kentucky Lock and Dam.
equation for pressure in bottom layer of a 2 layer fluid is: pressure,p =( specific weight of fluid 1,y1*thickness of fluid 1,h1) + ( specific weight of fluid 2,y2 * ( depth below the free surface at which the pressure is being determined, h - thi..
IT IS DESIRED TO RETRACE THE LINE WITH A COMPASS TODAY, WHEN THE DECLINATION IS 5 35'E. WHAT READING OF THE COMPASS SHOULD BE USED TO RETRACE THE LINE
refrigerant 134a is compressed at steady state from 2.4 bar, 0 degrees celcius, to 12 bar, 50 degrees celcius. Refrigerant enters the compressor with a volumetric flow rate of 0.38m^3/min, and the power input to the compressor is 2.6 kW.
An aerosol with a lognormal size distribution has a count median diameter of 2.0 micron and a geometric standard deviation of 2.2. If the mass concentration is 1 mg/cubic meter what is the number concentration
(a) What are some of the important properties of unalloyed copper that make it an important industrial material (b) How is copper extracted from copper suflide ore concentrates
If the difference in weight between the two baskets must greater than 15 lb they will not have the strength to operate the pulley. The King weighs 195 lb, the princess weighs 105 lb, and the prince weighs 90 lb.
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