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What is the elongation of a rectangular bar (cross section 2 inch * 2 inch length 4 ft) When it is subjected to an axial load of 80,000 lbs. Assume the material of the bar has the following properties G = 7,700 KSI, V =0.30
Many years ago, well-known architect Frank Lloyd Wright designed a mile-high skyscraper, which has never been built.
One accident mitigation procedure is called emergency material transfer, in which the material is transported away from the accident site before it becomes involved. We plan on mitigating a crude oil tank fire scenario by pumping the tank empty in..
A rectangular channel carries a flow of 10 cfs/ft of width. Plot a curve of specific energy vs depth. Compute the minimum value of specific energy and the critical depth. What are the alternative depths for Es = 5.0
Effective stress is defined as the overburden soil pressure less the buoyancy effect of water. What is the effective stress 20 feet deep if the specific weight of the dry soil is 113 pcf and the water table is 11 feet deep
Given: acceration = -k*sqrt(v) and k is a cosntant when x=0, v=81 m/s, t=0 when x=18 m, v=436 m/s determine: a) velocity of particle when x=20 m b) the time required for the particle to come to rest
The overpass structure is to be level, centered 26 feet above the railroad, and 180 feet long. How much existing highway (in feet) must be reconstructed to provide appropriate vertical alignment
A car is traveling at 30 mph on a good, dry pavement at sea level. The front-wheel-drive car has a drag coefficient of 0.35, a frontal area of 30 ft2 and a weight of 2500 lbs. The wheelbase is 120 inches and the center of gravity is 20 inches from..
The "sea-level adjusted" pressure at the airport was about 30.57 inches of mercury. Assuming the density of air is 1.30 kg/m3 and the gas constant for air is 287. J/(kg K), calculate the temperature of the air in Fahrenheit.
Let X be a uniformly distributed continuous random variable ranging between 5 and 8, X ~ U[5 , 8]. Variable Y is a function of X: Y: h(X)= 2X^2+1 a. Determine the PDF of Y. b. Find the expected value of Y.
a 2000 m long commercial steel pipe of 200 m diameter converys water at 20 C between two reserviors. the difference in water level between the reserviors is maintained at 50 m.
How many days would they need to use the equipment each year to justify purchasing the equipment? To purchase equipmet/ Buy at $60,000, Operation and maintanence is $120/day, life is 5 yrs and salvage value is $5000.
What are the velocities of both just before impact and just after impact. There is a distance of 5m between the vehicles prior to the winch being turned on.
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