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A 200lb homogeneous gate of 10ft width and 5ft length is hinged at point A and held in place by 12ft long brace as the bottom of the brace is moved to the right the water level remains at the top of the gate. the line of action of the force that the brace exerts on the gate is along the brace.
(a) plot the magnitude of the force exerted on the gate by the brace as a function of the angle of the gate, theta for 0<= theta<= 90
(b) repeat the calculation for the case in which the weight of the gate is negligible. comment on the results as theta->0
Determine the power generated by the turbine (in KW) operating in steady state at 5MPa, with specific enthalpy 3000kj/kg and velocity of 10m/s at the entrance and steam escaping at 0.07MPa, specific enthalpy 2000kj/kg at velocity of 90m/s p.
What is the chemical name of the first hazardous air pollutant under Title III regarding the Clean Air Act
a room is to be maintained at 72 F db. It is estimated that the inside wall surface temperature could be as low as 48 F. What maximum relative and specific humidities can be maintained without condensation on the walls
A log that is 2 ft in diameter is to be cut into a rectangular section for use as a simply supported beam. The material is wood select structural grade (Douglas Fir) with a specific gravity of 0.017 lb/in3.
Determine the required pumping rate. the aquifer has T= 1600 m2/day and the wells each have radius of influence of 600m.
A 2.50-g sample of a large biomolecule was dissolved in 13.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
A rectangular block of aluminum 30 mm × 60 mm × 90 mm is placed in a pressure chamber and subjected to a pressure of 100 MPa. If the modulus of elasticity is 70 GPa and Poisson's ratio is 0.333
The PI is at station 250+50, the design speed is 65mi/h, and a maximum superelevation of 0.07 ft/ft is to be used. If the central angle of the curve is 38 degrees, design a curve for the highway by computing the radius and stationing of PC and PT.
A flood control project has a construction cost during the first year of $10 million, during the second year $6 million, and during the third year $2 million. It is completed at the end of the third year and thereafter incurs an annual operating c..
The small sphere of mass (m) is suspended initially at rest by the two wires. If one wire is suddenly cut, determine the ratio (k) of the tension in the remaining wire immediately after the other wire is cut to the initial equilibrium tension.
Two particles start from the same point along the same straight line and at the same instant. The first particle travels with a constant velocity v and the second with a constant acceleration.
calculate the ratio of area to volume for unit cube a unit sphere in inscribed inside the cube, and as write cylinder inscribed inside the cube.
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