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A 100 kg block rests on the inclined surface for which fs =0.4. If the coefficient of static friction between the cord and the fixed peg at B is fs =0.25, determine the minimum weight of the bucket that will prevent the block from sliding down the incline.
Determine the degree of saturation of a sample of soil given that its maximum dry unit weight is 18 kN/m^3 and its optimum moisture content is 12.1%. Assume the Specific Gravity of soil is 2.65.
Consider a piston/cylinder arrangement that has a linear spring mounted such that as the piston rises to a certain point it will encounter the spring, which will offer a downward component of force as the piston rises further.
determine the force in member AC, FH, and FG and indicate if the member is in tension or compression. List all zero force members.
The settlement analysis for a proposed structure indicates that 6cm of settlement will occur in 4 yr and that the ultimate total settlement will be about 25cm. estimate (a) the ultimate total settlement and ..
Find the moist unit weight of sand in lb/ft^3compacted in the field at a relative density of 60%and moisture content of 10%Given Gs=2.65. Also calculate the maximum and minimum possible dry unit weights that the sand can have.
The supplier says it would prefer to sell the company a 65% NaOH solution and the company says the water content is immaterial as long as the equivalent costs are the same including freight.
Calculate the size of an anaerobic digester required to treat the sludge from a primary clarifier designed to treat 38,000 m3/d of sewage. The quantity of dry volatile solids removed by the plant is 0.15 kg dry solids/m3 sewage.
n ideal gas in 1.50 gallon container is at a temperature of 125 degrees Celsius and of 2.5 atmospheres. If the gas is oxygen (formula: O_2, molecular weight = 32 grams per mole), what is the amount of gas in the container in units of grams
A cylinder contains 3 kg of water and water vapor mixture in equilibrium at a pressure of 500 kN/m2. If the volume of the cylinder is 1.0 m3, calculate the following: a) Temperature of the mixture b) The volume and mass of the liquid
A system consists of liquid oxygen in equilibrium with oxygen vapor. How many phases are present The system undergoes a process during which some of the liquid is vaporized.
A radar device is installed at a location on the roadside to measure instantaneous speeds of vehicles passing that location. The initial four vehicles' speeds are listed. Calculate the space-mean speed of these four vehicles.
You have been asked to estimate the optimal size of a small reservoir that is being constructed near Atlanta. Knowing that water is a scarce commodity, you have decided to adopt an "economists" perspective on this problem
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