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Estimate the land area (in acres) that must be purchased by a city to construct a new municipal landfill. The city has a stable population of 235,000 residents and the design criteria for the new landfill are as follows: MSW generation rate = 4.0 lb/(person-day); density of the compacted MSW in the landfill is 775 lb/yd3; the average depth of waste in the landfill is 50 ft; landfill life should equal 20 years. Finally, assume that 40% of the total land area must be used for roads, buildings and buffer zones.
A civil engineering student contends that 60 mph is safe in a van because of the higher driver's eye height. If all other design inputs are standard, what must the driver's eye height in the van be for the student's claim to be valid
Question about Spring, A 37kg object is placed onto a coil spring which has been compressed 43mm. The force used to compress the spring was 35KN.
Calculate the pH of a 1-L solution containing 0.01 M sodium acetate after the addition of 3 mL 0.5 M H2SO4
Carbon disulfide (CS2) reacts with excess chlorine (Cl2) to produce carbon tetrachloride (CCl4) and disulfur dichloride (S2Cl2). If 69.7 g of CS2 yields 62.6 g of CCl4, what is the percent yield? (Hint, you must first write the balanced equation.)
A steel bar of length 30 inches and circular cross section whose diameter varies linearly from 0.50 inches at one end to 0.75 inches at the other is subjected to an axial tensile force of 4.5 kip. Find the change in length of the bar.
Determine the net rate of flow of linear momentum through the control surface.
The saturated unit weight of the clay is 20kN/m 3 and that of the sand 19 kN/m 3 ; above the water table the unit weight of the sand is 16.5 kN/m 3 . Calculate the effective vertical stresses at the top and bottom of the clay layer.
the hull of a boat has a volme of 150m and the total mass of the boat when empty is 8560kg. determine how much load this boat can carry without sinking in a lake.
The inlet of loe pressure turbine is 500Kpa and 500°C. Condenser operates at 10 Kpa. Determine the mass flowrate through boiler needed to produce 5000KW of power.
Cancer is the uncontrolled growth of abnormal cells in the body resulting in tumours that can be benign or malignant (cancerous cells). A proper treatment is necessary to fight with this serious disease.
a tension member with cross-sectional area 3 in2 resists a load of 10 kips. How do you Calculate the normal and shear stress on planes making a 0, 20, 45, and 60 angle with the transverse section.
what is the probability that the vehicle pulling out will get in an accident with oncoming traffic?
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