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Determine the maximum force P that can be applied without causing the two 50-kg crates to move. The coefficient of static friction between each crate and the ground is 0.25 The crates are next to each other connected by a rope and then from the other end one has a P force going up at an angle of 30 degrees
The width of the river is 10 ft, the depth is 1 ft, longitudinal slope of 0.001, and the Manning's coefficients is 0.03. To estimate travel times and dispersion coefficients, you injected 50 gm of rhodamine dye at one bank of the river
If direct runoff hydrgraph derived from a unit hydrograph of a catchment (drainage area = 50 acre) is 120 acre-ft, back calculate the rainfall amount. Assume total abstraction in the area is 50%.
For a proposed level of stress, ninety percent of consolidation occurred in 15.8 minutes (t90=15.8min) for a laboratory consolidation test of a 12.7 mm thick clay specimen. In the field a 6.5m layer of the clay is sandwiched between sand layers.
It rains 3.0 in. on a 20.0 acre watershed. What is the volume of rainfall excess if 30% of the watershed area is a lake and infiltration on the soil is estimated at 1.0 in. What is the total volume of runoff.
A municipality uses green energy and treats 15 × 106 gal/day of a groundwater containing the following: CO2 = 17.6 mg/L, Ca2+ = 80 mg/L, Mg2+ = 48.8 mg/L, Na+ = 23 mg/L, Alk(HCO3-) = 270 mg/L as CaCO3, SO42- = 125 mg/L, Cl- = 35 mg/L.
After moving the bubble four divisions off center, the reading is 1.410 m. For 2-mm vial divisions, what is (a) the vial radius of curvature in meters and (b) the angle in seconds subtended by one division
Determine the time required for a car to travel 1 km along a road if the car starts from rest, reaches a max speed at some intermediate point, and then stops at the end of the road. the car can accelerate at 1.5 m/s^2 and decelerates at 2 m/s^2
A 2-inch by 2-inch solid steel beam (18 inches long) is fixed to the wall at the left to resist applied moment (20,000 lbs-inch). What would the deflection be at the right end Up or down
A simply supported beam with a pin support at A and a roller support at B with length L=20 ft has a force P=10 kips applied at x=15 ft from point A. What are the reactions at A?
three bars each made of different materials are connected together and placed between two walls when temperature is t1
A pump is to be used to draw seawater from the bay at an elevation of 0 to a reservoir at a desalination plant that has a water surface elevation of 255 feet. A 12-inch diameter DIP pipe (CHW = 120) which is 625 feet long connects the two bodies ..
A three span continuous beam has spans of 27, 30, and 27 feet. The beams support one-way slabs, 6 inches thick that span 20 feet center to center. Assume that the beams are 16 inches wide and 24 inches deep.
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