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For a circular curve with a radius R of 400 meter, what is the degree of curve by (a) arc definition and (b) chord definition?
The acceleration of point A is defined by the relation a = -1.08sin kt - 1.44 cos kt, where a and t are expressed in m/s^2 and seconds, respectively, and k = 3 rad/s. knowing that x = 0.16 m and v = 0.36 m/s when t = 0
For a mixed liquor volatile suspended solids (MLVSS) of 1800 mg/L, what is the total return solids flow rate?
the 30 ft simple beam shown has lateral support spacing at 15 ft for its compression flange and consists of 50 ksi steel. the beam supports a gravity service dead load of 1.2 klf (includes beam weight) and a gravity live load of 3.4 klf
A major relining of the combustion vessel will occur during the fifth year at a cost of $30,000. If the interest rate is 15% per year, what is the lump-sum equivalent cost of this project at the present time
While traveling around the curved path, the motorcyclist increases speed by 1.25ft/s^2 . Part A - Finding the time interval for the motorcyclist to reach a given acceleration If the motorcyclist starts from rest
The plus sight and minus sight distances were kept approximately equal. Readings (in feet) listed in the order taken are 5.06 (+s) on BM tree, 8.99 (-s) and 7.33 (+s) on TPI, 2.52 (-s) and 4.85 (+s) on BM X, 3.61(-s) and 5.52 (+s) on TP2, and 7.60..
A wheel has an initial clockwise angular velocity of 12 rad/s and a constant angular acceleration of 3 rad/s2. A) Determine the number of revolutions it must undergo to acquire a clockwise angular velocity of 15 rad/s.
A reinforced concrete beam having the cross section shown is on a simple span of 28ft. It carries uniform service loads of 3.60 kips/ft live load and 2.20 kips/ft dead load. Check the adequacy of the beam with respect to the moment.
A 3000-lb car has a maximum speed (at sea level and on a level, paved surface) of 140 mi/h with 16-inch-radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. It is known that at the car's top speed the engine is producin..
A rigid tank contains 5kg of water at 20 degrees Celsius. A gage on the tank reads 200kPa. Determine a) the volume of the tank, b) How much would the pressure in the tank increase if the temperature were increased to 50 degrees Celsius.
A small chunk of the original sample had a wet weight of 140.9 grams and weighed 85.2 grams after drying. Compute the water content, using the correct number of significant figures.
A wood board with a 2in. by 4in. cross section is subjected to a tensile load of 100 lb. Determine the average normal stress and average shear stress developed in the wood fibers that are oriented at 30 degrees with the axis of the board.
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