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A signalized intersection approach has three lanes with no exclusive left- or right-turning lanes. The approach has a 50-second green out of a 110-s cycle. The yellow plus all-red intervals for the phase total 5.2 s. If the start-up lost time is 2.2 s/phase, the clearance lost time is 1.2 s/phase, and the saturation headway is 2.35 s/veh under prevailing conditions, what is the capacity of the intersection approach?
A sphere L ft in diameter is moving horizontally at a depth of 12 ft below a water surface where the water temperature is 50°F. v max = 1.5 V0. where V0. is the free stream velocity and occurs at the maximum sphere width.
The results of his experiment are tabulated below. Assuming the experiment was conducted in a completely-mixed batch reactor, determine the decay rate constant for the die-off of anthrax.
A round bar of 6mm diameter is made of 6061-T6 aluminum. When the bar is stretched by an axial force P, its diameter decreases by 0.450 microns. what is the magnitude of the load P
A student in the laboratory plans to exert a vacuum in the head space above a surface of water in a closed tank. She plans for the the absolute pressure in the tank to be 10,400 Pa. The temperature in the lab is 20°C.
Block B rests on a smooth surface. block A is on top of bock B. If the coefficients of static and kinetic friction beween A and B are μ_s=.4 and μ_k=.3, determine the acceleration of each block if someone pushes horizontally on block A with a force a..
What is the Distribution reinforcement percentage of area ? Hot to take it for the calculation of distribution reinforcement in dog-legged stair case.
A community had a population of 200,000 in 1995 and it is expected that this will increase to 260,000 by 2010. The water treatment capacity in 1995 was 165 ML/day. A survey showed that the average per capita water use rate was 700 L/(person.day). Est..
A 12 m-long and 800 mm-diameter drilled pier is constructed in a clayey soil with a1.5 m-diameter bell at the base. The top 7 m of the clay has an average Cu of 40 Kpa and the clay underneath has a Cu of 90 Kpa
A pump of 80% efficiency lifts water from one large open tank to another; the difference in water surface elevations is 20 feet. The pipe is relatively smooth (f = 0.0122), and has 3 elbows, each with a loss coefficient of 2/3.
(a) Derive equations for the shear force V and the bending moment M for segments: AB, AC and AD (Place the origin at point A). (b) Plot the shear-force and bending-moment diagrams for the beam using the derived functions.
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? Express your answer in cubic feet.
a child is flying a kite at a height of 40 ft and the kite is moving horizontally at a rate of 3 ft/sec. if the string is taut, at what rate is the string being paid out when the length of the string is 50 feet.
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