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A bar ABC having two dilferent cross-sectional areas is loaded by an axial force P (see figure). Parts AB and BC are circular in cross section with diameters 50 mm and 38 mm, respectiveIy. If the normal stress in AB is 40 MPa, what is the normal stress σ in BC?
the ball of mass m is guided along the vertical circular path r 2rc costheta using the arm oa. if the arm has a
A common problem with system building occurs when physical file names are incorporated in system code and the file structure implied in these names differs from that of the target machine. Write a set of programmer's guidelines that helps avoid th..
consider a low speed one-circuit wind tunnel with an inlet to throat ratio of 12. the pressure difference between the
Calculate the mass in milligrams of quinine in the tablet.
an insulated cylinder having an initial volume of 2 ft3 contains carbon dioxide at 15 psia and 440degf. the gas in then
1 air at the inlet of a nozzle is at 500 kpa 42.2oc and a velocity of 87 ms. the nozzle exit pressure is at 132 kpa.
In a cryogenic application, carbon monoxide (CO) gas undergoes a constant-pressure process at 1000 lbf/in^2. In a piston-cylinder assembly from T1=-100F to T2=-30F Determine the work for the process, in Btu per lb of carbon monoxide present.
A container holds .07m^3 of hydraulic fluid with a specific gravity of .9. find fluids specific weight, density, and weight.
a refrigerator in a laboratory uses r-22 as the working substance. the high pressure is 1200 kpa the low pressure is
A furnace wall is to be constructed of brick having standard dimensions 9 by 4.5 by 3 in. Two kinds of material are available. One has a maximum usable temperature of 1900°F and a thermal conductivity of 1 Btu/(h ft°F), and the other has a maximum..
the question is during the compression of 0.6 kg of gas in a cylinder an amount of work equal to 80 kj is supplied to
What is the total force reaction (magnitude) at pin joint O when the square plate is released from rest? Assume the plate has a uniform thickness.
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