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1) A 2500-pound passenger vehicle originally travelling on a straight and level road gets onto a section of the road with a horizontal curve of Radius=850 ft. If the vehicle was originally travelling at 55 mi/h, determine:a. The additional horsepower on the curve the vehicle must produce to maintain the original speed,b. The total resistance force on the vehicle as it traverses the horizontal curve and the total horsepower.Assume that the vehicle has a front cross-sectional area of 30 ft2.
2) The acceleration of a vehicle takes the formƒdtdu3.6 - 0.06u (u is the vehicle speed in ft/sec.)The vehicle is travelling at 45ft/sec at time To.a. Determine the distance traveled by the vehicle when accelerated to a speed of 55 ft/sec.b. Determine the time at which the vehicle attains the speed of 55 ft/sec.c. Determine the acceleration of the vehicle after 3sec.
3) The design speed of a multilane highway is 60 mi/hr, what is the minimum stopping sight distance that should be provided on the road if:b. The road is level.c. The road has a maximum grade of 4 percent.Assume the perception-reaction time = 2.5 sec.
4) A car hits a tree at an estimated speed of 55 km/h on a 3% downgrade. If skid marks are observed on 35 m of dry pavement (f = 0.45) followed by 75 m on a grassstabilised shoulder (f = 0.20), estimate the initial speed of the vehicle.
5) A temporary diversion has been constructed on a highway of +4 percent gradient due to major repairs that are being undertaken on a bridge. The maximum speed allowed on the diversion is 10 mph. Determine the minimum distance from the diversion that a road sign should be located informing drivers of the temporary change on the highway.- Maximum allowable speed on highway = 70 mph- Letter height of road sign = 4 in.- Coefficient of friction between tires and pavement = 0.2- Perception-reaction time = 2.5 secAssume that a driver can read a road sign within his or her area of vision at a distance of 40 ft for each inch of letter height.
Determine the deflection of the right end of the pointer and the maximum deflection of the beam.
create a visual, window-based program for multiplying two 3x3 matrices together. Create 18 text boxes for input and 9 text boxes or labels for output
The discharge range is 0.1 to 1.0 cfs. The maximum approach flow depth is 18 inches. Determine the height of the weir P and the weir length l in the flow direction. Assume cv =1.
Two types of Classifiers mostly used in Data mining. Other than Naive Bayes and decision trees, pick two other types of classifiers and discuss how they work
The Three Gorges Dam in China will be the world's biggest when complete. When did the construction start
A 30 g bullet is fired with a horizontal velocity of 450 m/s through 3-kg block B and becomes embedded in carrier C which has a mass of 30 kg. After the impact, block B slides 0.3m on C before coming to rest relative to the carrier.
A heavy Machine is lowered into a pt by means of a rope wrapped around an 8" diameter stationary pole placed horizontally across the top of the pit. The coefficient of static friction for the rope on the pole is 0.35.
Due to temperature change, a 1/32" hole mismatching occurred. What is the pulling force, in lbs, to be applied for one of the plates to match the two holes The plate length is 3 ft (from the left end to the hole) and its cross section is 1/8" x 1"..
The size of the house is 28ftx40ftx10ft. For simplicity, assume the roof is flat, covered with 1-in plywood plus asbestos shingles and has 3 1/2 in of fiberglass insulation. There is a wood subfloor (25/32 in) in the attic and a ahrdwood floor (3/..
The line of sight of a level falls at a rate if 0.122ft/ 100 ft when the level bubble is centered. A backsight of 4.782 is taken on point A, which is at 75 ft from the level. the elevation of a is 425.238 ft.
If the effective stack height of the plant is 100 m, and the ground reflects the SO2 emission perfectly what is the SO2 concentration at a sampling point located 2 m above the ground in the town.
At the end of the first 5 years, the company upgraded the analyzer at a cost of $10,000. Following the upgrade the lab purchased another 5 year maintanence contract for $1000 a year, payable at the end of each year.
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