What is the change in length of the bar
When it is unloaded, the non-prismatic bar is 12 in. long. The loads cause axial strain given by the equation ε=0.04/(x+12), where x is the distance from the left end of the bar in inches. What is the change in length of the bar?
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An airplane traveling at 400 mph makes a 90-degree turn about a 2000 ft radius. Calculate the average acceleration (in ft/s2) of the plane.
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A specimen of aluminum having a rectangular cross section 10 mm x 12.7 mm (0.4 x 0.5 in.) is pulled in tension with having a 35,000 N (8000 lbf) force, producing only elastic deformation. Calculate the resulting strain.
The air passing through the valve has a speed of 300 m/s and a density of 6 kg/m^3. Determine the instantaneous rate of change of density in the tank at t+0.
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The average life expectancy in the United States, L, has been rising steadily over the past few decades, as shown in the table below. Let t be the number of years since 1920, (so t=0 represents the year 1920). Year 1920 1930 1940 1950 1960 1970 19
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