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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?
determine the pressure head at the nozzle inlet to produce a water jet velocity of 40 ft/s. Neglect the friction loss and assume incompressible flow.
The roadway to be constructed is 3 miles long and 60 feet wide. • The following pavement design specifications have been issued: - Base coarse: 6" DGA - Stabilized base: 4" - Bottom coarse of asphalt: 3" - Top coarse of asphalt: 2"
When the engine of the plane is running, the vertical reaction that the ground exerts on the wheel at A is measured as 616lb . When the engine is turned off, however, the vertical reactions at A and B are 520lb each.
Design a system to pump water 80 degrees C from a water heater to a washing system. Desired minimum flow rate is 750 Liter per min.
A 10m height chimney has a 2.0m x 2.0m square cross section. The wind blows horizontally in a direction which is parallel to one of the diagonals of the cross section.
An engineer in a developing country observes that his project bankaccount has grown from 1,600,000 to 1,769,279 (local currencyunits) in 20 days with no deposits or withdrawals being made.
determine the transformed moment of inertia for the beam using steel as the reference material. Express your answer in in^4 to the nearest 0.1 in^4.
An existing high-way railway at-grade crossing is being redesigned as a grade seperated to improve traffic operations. the railway must remain at the same elevation. the highway is being reconstructed to travel under the railway.
A disk is made of material having a SG = 8.3 and is 500 in diameter and a thickness of 10mm. Find the a) weight and b) mass of the disk in US and SI units.
The results are Party 1, DE= 12.46 +/- 0.04ft, Party 2, DE= 12.43 +/- 0.03 ft, Party 3, DE= 12.50+/-0.06 ft. What is the weighted differance in elevation between the two benchmarks ( nearest 0.001 ft)
1. 260 watts of electrical power consumption. 2. External temperature (cooling air inlet temperature) = 77 degrees Fahrenheit 3. Safety (touching) specification (cooling air outlet temperature) = 100 degrees Fahrenheit 4.
Analyze the frame by moment distribution. Determine all reactions and draw the shear and moment diagrams, locating points of inflection and labeling max and min shear and moment values.
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