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Figure (a) shows a steel I-beam cross section (note, not symmetric about the y axis). Two steel plates with cross section 10 mm × 200 mm are welded to the beam. Figure (b) and the 3D inset show the configuration of the composite I-beam, plates, and welds. All welds have the same geometry and are continuous in the longitudinal (x)- direction along the beam. The welds bond to the plates only in the area shown in the inset (from the edge of the original I-beam out to the edge of the plate). What is the average shear stress in a weld/plate interface at the bottom flange if we consider a section where the shear force is 40 kN?
What is the final volume of the cylinder? Does this process violate the second law of thermodynamics?
A novelty company was producing 220,000 items for $3.80 each. Theysold these for $6.00 each. Recently, the demand for the items has dropped to180,000 units at that $6.00 price. The company can reduce production to 180,000units. Each unit would cos..
An elevator descends from rest with an acceleration of 5 ft>s2 until it achieves a velocity of 15 ft>s. Determine the time required and the distance traveled.
air is compressed in a variable-load piston-cylinder device equipped with a paddle wheel. initially air is at 500kpa
Determine the natural circular frequency of the disk for small oscillations by the energy method. Use the following data: W = 180 N, R = 0.6 m, k = 0.5 m (radius of gyration about G), k1 = 450 N/m, and k2 = 600 N/m.The mass center of the unbalanced..
a compressor takes in air at 100 kpa and 300 k and discharges it at 0.25 kgs at 1.2 mpa and 450 k. unfortunately the
Determine the surface temperature of the wire during a windy day when the air temperature is 10°C and the wind is blowing across the transmission line at 50 km/h.
a child throws a ball from point a with an initial velocity v 20 ms at an angle of 25 degrees with the horizontal.
Determine for AF 5 15 and T 5 708F, the percent excess air and the amount of water vapor condensed, in lb per lbmol of fuel. Plot the amount of water vapor condensed, in lb per lbmol of fuel, versus T ranging from 70 to 1008F, for AF 5 15, 20, 25, 30..
water flows in a 5-m-wide channel with a speed of 2 ms and a depth of 1m. the channel bottom slopes at a rate of 1 m
a copper vertical plate that is 0. 305 m tall and 1. 5 m wide separates two large air spaces. the air space at the left
the properties of composites are governed by the properties of the constituent materials the volume contents of the
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