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1. The Hubert H. Humphrey Metrodome in Minneapolis opened in 1982 at a cost of $55 million. To prepare for the footings, et cetera, 3.00x105 cubic yards of dirt were removed. The Metrodome's inflatable roof covers 10.0 acres and its interior volume is 60.0x103 cubic feet. During construction, 40.0x103 cubic yards of concrete, 11.9x103 tons of reinforcing steel, and 5.00x102 tons of structural steel were utilized. The roof material includes an outer layer of Teflon-coated glass and an inner layer of woven fiberglass. Given this information, answer the following: If removed evenly over the 10.0 acres, how deep a hole would be formed as a result of the excavation? yards If the two-layer fiberglass roofing material has a mass of 0.667 lbm/ft2, what is the total mass of the roof? lbm If 10.0 inches of wet snow collected on the roof (this happened in 1982), what is the added mass on the roof? (Assume 1 inch of water equals 10 inches of snow).
2. A waterbed mattress has the following dimensions: 210 cm X 160 cm X 27 cm. The density of water is 62.4lb/ft3. What is the weight of the bed in pounds? lb If the mattress is placed on the floor (no bed frame), how much pressure does it exert on the floor in pounds per square inch?
determin the force in memebers de, hg and he of the trees and state if the members are in comperhemsion
Calculate the prismoidal correction and compare the prismoidal volume to the corrected end area volume. Station Left Center Right Area (sq. ft.) 1+00 C7.0/ C8.2/ C8.5/ 256.90 31.3 0.0 24.5 1+50 C5.3/ C5.0/ C3.5/ 207.62 29.5 0.0 21.8 2+00
If the coordinate direction angles for F3 are a=120degrees, b=45degrees, y=60degrees, determine the magnitude and coordinate direction angles of the resultant force acting on the eyebolt.
at one point on the highway, a 720 ft equal-tangent crest vertical curve exists. measurements show that at 3+40 stations from the PVC, the vertical curve offset is 3.5 ft. assess the adequacy of this existing curve in light of the reconstruction d..
A single-stage rocket is launched vertically from rest, and its thrust is programmed to give the rocket a constant upward acceleration of 6 m/s^2 . If the fuel is exhausted 20 s after launch, calculate the maximum velocity and the subsequent maxim..
The telescope of the instrument is 5.25 ft above the ground station, whose elevation is 415.65 ft. What is the elevation of the tip of the spire? (Ignore atmospheric refraction and earth curvature)
Assume that the sludge does not change density during filtration and that liquid removed from the sludge contains no sludge. Using mass-balance method. determine the volume of sludge after filtration.
A completely mixed flow reactor, with a volume of V and a flow rate of Q, has a zero-order reaction, dA/dt = k, where A is the material being produced and k is the rate constant.
Water at 20ºC flows at a velocity of 2 m/s in a 200-mm diameter horizontal ductile-iron pipe. a) Estimate the friction factor in the pipe, and state whether the pipe is hydraulically smooth or rough.
A specimen of saturated soil has a water content of 145 percent and a total unit weight of 84 pcf. Find the void ratio and specific gravity of solids.
determine the tangential component of the acceleration of the sled a) just before it reaches B, b) just after it passes C.
If the tensil testing machine can apply no more than 925 lbs. of force to the specimen, calculate the maximum rod diameter that should be used. (precision 0.000)?
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