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The cart travels the track again and now experiences a constant tangential acceleration from point A to point C. The speeds of the cart are 13.8ft/s at point A and 16.8ft/s at point C. The cart takes 5.00s to go from point A to point C, and the cart takes 1.90s to go from point B to point C. What is the cart's speed at point B? Express your answer numerically to three significant figures in feet per second.
Design a horizontal curve with a 40-degree central angle (delta=40) for a two-lane road with 11-ft lanes. The design speed is 70 mi/h and superelevation is limited to 0.06ft/ft. Give radius, degree of curvature, and length of curve.
The design discharge is 9.5 m^3/sec and the inlet will be submerged but not the outlet. Determine the depth that will result upstream (above the invert) during the design flood event.
A horizontal curve was designed for a four-lane highway for adequate SSD. Lane widths are 12 feet, and the superelevation is 0.06 and was set assuming maximum fx. If the necessary sight distance required 52 feet of lateral clearance from the roadw..
A 3220-lb car enters an S-curve at A with a speed of 60 mi/hr with brakes applied to reduce the speed to 45 mi/hr at a uniform rate in a distance of 300 ft measured along the curve from A to B.
How many kg/day of NaOH must be added to neutralize a waste stream generated by an industry producing 90.8 million g/day of sulfuric acid, if 0.1% of the sulfuric acid produced is lost to wastewater The wastewater flow is 750,000 L/day
What is the expected boiling-point elevation of water for a solution that contains 271 g of sodium chloride dissolved in 1.0 kg of water?
If the dry-rodded unit weight of an aggregate is 105 lb/ft3 (1680 kg/m3) and its specific gravity is 2.65, determine the void content.
North City must choose between two new snow-removal machines. The SuperBlower has a $70,000 first cost, a 20 year life, and an $8000 salvage value. At the end of 9 years , it will need a major overhaul costing $19,000.
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)?
Describe the crystalline or atomic structure of the following minerals: 1) Brucite 2) Gibbsite 3) Bentonite 4) Illite
Maintenance expenses for a bridge in Georgia are estimated to be $200,000 for the first eight years followed by two separate million dollar expenditures in years 12 and 18. The expected life of the bridge is thirty years.
A delivery company accepts only rectangular boxes the sum of whose length and girth (perimeter of a cross section) are equal to 108cm. Find the dimensions of an acceptable box of a largest area.
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