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The two-force and three-force principles where appropriate. Neglect weights of members unless specified otherwise. The automobile, with center of gravity at G, is parked on an 18? slope with its brakes off. Determine the height h of the smallest curb that will prevent the automobile from rolling down the plane.
Determine the height "h" on the wall to which the firefighter can project water from the hose...and the speed of the water at the nozzle is v= 55ft/s. The firefighter is holding the hose 3.5 ft from the ground and the wall is located 15ft from the..
An object of density P_a, volume V_a, and weight W_a is thrown from a rowboat floating on the surface of a small pond and sinks to the bottom.
The town of Camp Verde has been directed to upgrade its primary WWTP to a second plant that can meet an effluent standard of 25 mg/L BOD5 and 30 mg/L suspended solids.
1. a tensiometer is used to measure a compacted soil in the field that has a matric suction of 200 kpa under
Using a reflux ratio of twice the minimum reflux, calculate the minimum number of plates using a total condenser and reboiler and a Murphree plate efficiency of 65%.
Wastewater is discharged into an aquifer. This wastewater contains 0.1 ppm atrazine (a common herbicide). The MCL of atrazine is 5 ppb, the density is 1.19 g/mL and the solubility is 50 ppm. 500 ft away from the plant effluent there is a permeable..
How many particles would be present in a cubic meter of aerosol at the concentration of the U.S. PM-10 standard or 50 micrograms/cubic meter if the particles are .1 micrometer in diameter.
When fluid of specific weight 8.2 KN/m^3 flows in a 150-mm-diameter pipe, the frictional stress between the fluid and the pipe wall is 25 N/m^2. Calculate the friction head loss per meter of pipe
Select the strength of doublet needed to portray the uniform flow of ideal fluid around the cylindrical cable.
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
A 10,000 ft3 mass of saturated clay had a void ratio of 0.962 and a specific gravity of solids of 2.71. A fill was then placed over this clay, causing it to compress. However, the volume of the solids remained unchanged.
An operator is holding a tool for a horizontal drilling task. the woman's elbow is flexed 45 degrees. The length of her forearm is 0.4m and the drill has mass of 5kg. Her forearm/hand weighs 20N and its center of mass is half the distance betwee
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