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1. Use direct stiffness method and solve in terms of P and k
a) Find the global stiffness matrix [K]
b) Apply a point load P at node 3 pointing rightward, and determine the displacements at nodes 2, 3, and 4 also the reactions at nodes 1 and 5.
2. Use the portal method to determine the approximate vertical reactions. Circles represent pinned connections. Note the pins on the horizontal beam are just to the right/left of the columns.
The shift in the oxygen-hemoglobin dissociation curve with pH and PCO2 provides more oxygen available to tissues. As an example, consider the oxygen uptake by muscle tissue. The blood flow rate is 1 L/min under resting conditions.
A steam locomotives had scoops installed that took water from a tank located between the tracks and lifted water into the tender. To lift the water 12 ft with a scoop, neglecting all losses, what speed in mph is required?
Determine the maximum temperature in the tank. Take the thermal conductivity of the wastes as 2.0 W/mK.
A container with volume 0.2 m^3 holds oxygen and has gages showing readings of 70°C and 25 bars. Calculate the amount of oxygen (mass and moles) in the container if the atmospheric pressure is 1 bar.^3
Measurements indicate that to cause this flow the force acting on the contents of the control volume is 40i lb. Determine the net rate of flow of linear momentum through the control surface.
A 125lb bowling ball is suspended from point C with rope CE. A second rope (ABC) is tied to point C and wraps around pulley B toward point A. Spring CD is used to hold the position shown. Determine the stretched length of CD if the spring coeffici..
The L-shaped frame is made from two segments, each of length L and flexural stiffness EI. If it is subjected to the uniform distributed load, determine the vertical displacement of point B.
Does Bernard have an unfair advantage over firms having designed the project on which he wants to bid?
The stationary disk, of 300 mm radius, is attached to a pin support at D. The disk is held in place by the brake ABC in contact with the disk at C. The hydraulic actuator BE exerts a horizontal 400 N force on the brake at B.
Atrazine is an herbicide widely used for corn and is a common groundwater pollutant in the corn-producing regions of the United States. The log Kow for atrazine is 2.65. A typical application rate is 0.25 g/m2.
Determine the compressive strengths of the following
Suppose an air pollutant with rate constant k= 0.20/hr is emitted into the box at a total rate of 10.0 kg/s. Find the steady-state concentration if the air is assumed to be completely mixed.
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