Calculate the resulting strain
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.
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Pin A, which is attached to link AB, is constrained to move in the circular slot CD. Knowing that at t=0 the pin starts from rest and moves so that its speed increases at a constant rate of 20mm/s^2, determine the magnitude of its total accleratio
A rigid vellel with the volume of 10 m3 contains a water-vapor mixture at 400 kPa at 60 percent quality. The pressure is lowered to 300 kPa by cooling the vessel. Find the mass (vapor) at state 2.
Let the sign of Q2 be changed from positive to negative. At which position can the point charge q be placed now so that the net electrostatic force on it is zero?
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?
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
A medical defibrillator stores 1000 J of energy in a 100 microF capacitor. What is the voltage across the capacitor?
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