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1.A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6-kip loads as shown. Knowing that E = 0.45 X 106 psi, determine (a) the reactions at A and C, (b) the normal stress in each portion of the rod.
2.Convert following quantities to equivalent quantities in SI units indicated, report answers in 3 significant digits.
A. 171.0 slugs/in^3 to Gg/m^3
B. 60mph to m/s
C. 32.2ft/s^2 to m/s^2
If the farmer irrigates continuously, what will be the steady-state concentration of selenium in the stream downstream from the farm (after the irrigation run-off returns to the stream)?
A tangent section of highway has a -1.0% grade and ends at station 4+75 and elevation 82 ft. It must be connected to another section of highway that has a -1% grade and that begins at station 44+12 and elevation 131.2 ft.
A flat broad-crested regular step dam with a drop of 2 m is situated on a grossly polluted stretch of river below a sewage outfall plant. The river is located at an elevation of 2 km.
ferryboat queuing lane holds 40 vehicles. If vehicles are processed (tolls collected) at a uniform deterministic rate of 5 vehicles per minute and processing begins when the lane reaches capacity
A state legislator wishes to survey residents of her district tosee what proportion of the electorate is aware of her position on using state funds to pay for abortions. a)What sample size is necessary if the 95% Confident Interval
A bowstring produces a force against a 2.0 oz arrow given by where a = 40 lbf, b = 3.2 ft-1 and x is in ft. x = 0 when the arrow is pulled fully back and increases as the arrow moves forward.
The distance from the center of the plate to the point of contact between the plate and the roller is 12 cm. The radius of the roller is 0.5 cm. Assuming no slip between the wheels and the plate, determine the rotational speed of the rollers.
Determine the runoff hydrograph that would be generated by a design 3-hr storm that generates excess rainfall at a constant rate of 10 mm/hr. assume baseflow is constant at 1.0 m3/s.
If sewage (assume the properties are the same as those of water) flows at a depth of 1.5ft in the pipe, what will be the discharge Q = 10.6 cubic feet/second
the structure has a curved face being part of a circle with radius R = 32M. The dam holds water to a height = 28 m. Claculate the magnitude and direction of the resultant force per metre length of the dam wall
Each of the three partners realizes that in order for the firm to continue at the present rate of growth a realistic business continuation plan must be in place which would include a viable by-sell agreement between the shareholders.
A hawk flying at 2 m/s at an altitude of 45 m accidentally drops its prey. The parabolic trajectory of the falling prey is described by the equation below until it hits the ground, where y is its height above the ground and x is its horizontal dis..
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