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1.A rectangular tube has an outside dimensions that are 2in wide and 4in deep and a wall thickness of 0.25in. The tube is acted on by a bending moment of 12,000lb-in. A.)Determine the maximum tensile and compressive bending stresses.
B.) the bending stress 0.25in from the bottom of the tube
2.The 2kg block A and the 5kg block B are initially at rest on the inclined plane at 20 degrees. All surfaces in this system have a coefficient of static friction of 0.6 , and a coefficient of kinetic friction of 0.4 . Calculate the size of the mass ‘m’ so that block A slides relative to block B. block m is suspended over the wedge via pulley attached to B. A is at rest on top of block B
What is the Hydraulic Radius of a rectangular channel that has a bottom width of 5 feet and a flow depth is 3.5 feet. Assume the bed slope is 1.5%, and the Manning's roughness coefficient is 0.013.
An electronic device is available that will reduce year'slabor cost by $10,000. the equipment is expected to last for eightyears. If labor is cost increase at an average rate of 7% per yearand the interest rate is 12% per year
An unknown immiscible liquid seeps into the bottom of an openoil tank. Some measurements indicate that the depth of theunkown liquid is 1.5m and the depth of the oil ( specific weight =8.5
The point of dicharge is 5 m abovethe floor, and friction losses in the 50 mm pipe from the resevoirto the tower amount to 2.5 J/kg. At what height in the resevoirmust the water level be kept if the pump can deliver only 0.1kW
An automobile having a mass of 900 kg initially moves along a level highway at 100 km/hr relative to the highway. It then climbs a hill whose crest is 50m above the level highway and parks at a rest area located there.
A CMFR is to be designed to remove contaminant A from water with a steady-state efficiency of 95 percent. The decay reaction is zeroth order, with a rate constant of 0.1M/h. The inlet concentration of A is 0.5 M.
A polymer that contains internal flaws 1.5 mm in length fails at a stress of 30 MPa. Determine the plane strain fracture toughness of the polymer. Assume a polymer specimen of "infinite" width.
A 2.5 hr long uniform rainfall resulted in runoff hydrograph that has the shape of an equilateral triangle. The base of the triangle is 64 hr; the peak flow is 535 cfs; the drainage area is 5.7 mi^2.
The company would like to distribute the songs between the two CDs such that the used space on each CD is about the same. Formulate the problem as an IP, and find the optimal solution.
The force of the expanding gases on a 0.02 kg bullet is given by f=f0-f.1*t . Initially stationary at x=0 , the bullet reaches a speed of 1000 kph by the time it exits the gun. f0 = 7000 N and f1=2.9*106 N/s.
Groundwater moves through a sandstone porous media and is driven by a gradient of -0.05 directed at an angle of 60 degree counterclockwise from the x-axis.
how far back from the front axle would the center of gravity have to be to ensure that the maximum tractive effort developed for front and rear- wheel drive options is equal
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