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A rectangular steel plate with thickness t=0.625 inches is subjected to normal stresses sigma x and sigma y.The strain in the x direction is known to be 0.00065 and the strain in the y direction is known to be 0.0004. If E=30x10^6 psi and the poissons ratio=0.3,determine the values of the stress and the change in the thickness of the plate.
The tank is filled so quickly that the process is adiabatic and the seawater leaves the tank at 15oC. Determine the final temperature and mass of the air in the ballast tank.
All jets including 868 have a runway occupancy time of 60 seconds. The 868 can carry an average payload of 360 passengers while all other jets have an average payload of 200 passengers.
The pressure in a tire depends on the temperature of the air in atire. When the air temp is 25 C, the pressure gage reads 210KPa. If the volume of the tire is 0.025 m3
A heat pump is used to heat a room where the outside temperature is -10°C. If the heat pump requires a power input of 2 kW, and the room requires a heat input of 15 kW to maintain the temperature at 25°C,
Within a field that is used for agricultural production, a clay unit is found at a depth 8ft below the land surface. the surface soil has a hydraulic conductivity of .6 ft/d. if parallel drains are placed 2 in per day
What is the mathematical expression for Centripetal Acceleration? Please describe the terms in your expression and give a brief summary of what Centripetal acceleration is.
The motion occurs in the horizontal x-y plane. Determine the velocity V2 of the particle at the end of the 3-s interval.
A consolidated-undrained type of test is performed. The sample fails (shears) when the total all-around confirming pressure is 45 kpa and the total axial pressure is 97 kpa.
By integration, determine the moment ofinertia about a horizontal axis at the channel bottom. Using the parallel axis theorem, determine the moment of inertia about ahorizontal axis through the centroid.
Use dimensional analysis with the following parameters: height of spillway (P), head on the spillway (H), viscosity of liquid, density of liquid, surface tension, and acceleration due to gravity.
a.) Determine the maximum shear stress in a rectangular beam 6 in. wide and 8 in. deep produced by a shear force of 38,400 lb. b.) For the same section and shear force conditions of part (a) above.
In an unconfined aquifer having K = 30/m/day, two observation wells, 3km apart, have water levels of 50 and 40 m, respectively, above the base of the aquifer. Determine the rate of flow.
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