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1. Resolve the force on each cable below.
2. Determine the force in each member of the loaded truss:
3. Determine the forces at AB and BC
4. Determine the forces on each member of the truss. Notice that lengths are not necessary to solve the problem.
5. Determine the forces on the beam. What force is needed at C to put the beam in equilibrium? (A is 2 m from the fixed wall, B is 8 m from the wall. C is 12 m from the wall and free in the vertical.)
Explain CBR method of pavement design with one example.
HZ Wireless must rebuild a cell tower recently destroyed by a tornado. A tower made of normal steel (NS) will cost $30,000 to construct and should last 15 years. Maintenance will cost $1000 per year.
The distribution coefficient of styrene distributed between ethylbenzene and ethylene glycol at 25 degrees C is .19 mass fraction in the ethylene glycol phase per mass fraction in the ethylbenzene phase.
a vertical 12-cm diameter piston-cylinder device contains an ideal gas at the ambient conditions of 1 bar and 24 degrees C. Initially, the inner face of the piston is 20 cmfrom the base of the cylinder.
A trapezoidal canal with a bottom width of 2 m, a side slope Z=1.5, and a longitudinal slope of 0.0006 conveys a flow rate of 3 m^3/s. If the water depth in section 1 is 0.78 m and in section 2
Three stock car drivers are racing around a circular bend. They are each circling the bend at different radii: r(1)=249 m , r(2)=255 m , and r(3)=261 m . At a given instant, all three are traveling at the same transverse rate of rotation
A hole is drilled in an aluminum plate with a steel drill bit whose diameter is 6.245 cm at 20 degrees Celsius. In the process of drilling, the temperatures of the drill bit and plate rise to 168 degrees Celsius.
An object is thrown downward from a 150-ft cliff with a velocity of 45m/hr so that it makes an angle of 60° with vertical face of the cliff.
A force is specified by the vector F= 120i-160j+80k lb. Calculate the angles made by F with the positive x-,y-, and z- axes.
determine the angular acceleration of the spool and the acceleration of the trailer. The wheels have negligible mass and are free to rotate.
A company produces two kinds of septic tanks: type A and type B. Each type B tank takes twice as long to produce as a type A tank. If it only produced type A tanks, the company has the time to produce a maximum of 2000 tanks per week.
The steam exits the high-pressure turbine at 2 MPa, is reheated to 550 degree Celsius, and then expanded through a low-pressure turbine to 50 kPa.
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