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A bridge has been constructed between the mainland and anisland. The total cost (excluding toll) to travel across thebridge is expressed as C=50+0.5V, where V is the number of veh/dayand C is the cost/vehicle in cents. The demand for travelacross the bridge is V=2500-10C.
(a)Determine the volume of traffic across the bridge.
(b)If a toll of 25 cents is added, what is the volume acrossthe bridge?
(c) A tollbooth is to be added, thus reducing the travel timeto cross the bridge. The new cost function is?
What is the highest downward speed (the terminal velocity), in miles per hour, ? At the terminal velocity the downward force (the weight) is equal to the upward force (the aerodynamic drag force).
Consolidation test was conducted on the undisturbed clay sample, and one increment of loading data with time is presented in the following table. At "0" time, the sample height was 2.314 cm, and the void ratio was 0.7.
For a metal and wood structure, how would the economies of construction be obtained (pertaining to the mean and standard deviation of a probability of failure graph)?
A sample of argillaceous soil with a volume of 1x10-3 m3 and a mass of 1.762 kg, after oven dried, has a mass of 1.368 kg. The relative density of the grains is equal to 2.69. Determine, for the sample in its original condition
With a safety factor of two on the time, determine the maximum static stress the component must sustain in order to have a service life of 10000 hours.
The torsional assembly consists of a solid bronze [G = 49 GPa] segment (1) with diameter d1 = 90 mm securely connected at flange B to solid stainless steel [G = 89 GPa] segments (2) and (3), with diameter d = 100 mm.
A solid steel bar of diameter 30 mm is enclosed by a steel tube of outer diameter 45 mm and inner diameter 36 mm. Both bar and tube are held rigidly at end A and joined securely to a rigid plate at end B. The composite bar, which is 500 mm long, is t..
What are 3 of the equivalent fixed-point problems for f(x) = x2 - x -2=0?
A micro-channel of diameter 0.5 mm and length 750 mm is connected to a plenum. A fan produces a negative gage pressure of -1.5 inch H2O in the plenum and draws air at 20oC into the micro- channel.
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y.
The acceleration of a particle is defined by the relation a=-8m/s^2. Knowing that x=20m when t=4s and that x=4m when v=16m/s, determine (a) the time when the velocity is zero
Two particles start from the same point along the same straight line and at the same instant. The first particle travels with a constant velocity v and the second with a constant acceleration.
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