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A plastic to be used for a torsional snap fit is known to yield under a tensile stress of 8 ksi. Determine the allowable rotation of the tabs, if the snap fit is not to yield. The twisting member has a diameter of 0.3 in. and the tabs are 1 in. away from each of the fixed ends. (Take G = 150 ksi.)
A 780-g mass is attached to a vertical spring and lowered slowly until the mass rests at its equilibrium position 30 cm below the original length of the spring. It is then set into simple harmonic motion of amplitude 5 cm.
A small truck is to be driven down a 4% grade at 70mi/hr. The coefficient of road adhesion is 0.95, and it is known that the baking efficiency is 80% when the truck is empty and decreases by one percentage point for every 100 lb of cargo added.
Determine the moment of inertia of the shaded area about the following axis: a. x-axis b. y-axis show properly dimension figures.
A falling-head permeability test was carried out on a clay soil of diameter 10 cm and length 15 cm. In 1 hour the head in the standpipe of diameter 5 mm dropped from 68 cm to 50.2 cm.
Repeat the questions of the previous problem for the 3200-lb front-engine car shown, and compare your answers with those listed for the previous problem.
A closed cylindrical tank filled with water has a hemispherical dome and is connected to an inverted piping system. The liquid in the top part of the piping system has a specific gravity of 0.68.
A 175 Mi^2 watershed has a 4200 acre reservior within its boundary . The annual watershed runoff to the reservior is 13in. A flow of 120 mgd (368 ac-ft/day) is to be drafted from the reservior. The annual rainfall is 38in.
torque (not shown) is applied to link AB through its lower pin to drive the links in a clockwise direction. When θ reaches 60° the links have an angular acceleration and an angular velocity of and respectively For this instant calculate the magnit..
Water, initially dry saturated vapour at 4 bar, lls a closed rigid con- tainer. The water is heated until its temperature is 400C. Determine the work done and the heat transfer.
If a logit model is estimated with coefficients of -0.543 for distance and 0.0165 for commercial space (in 1000 of ft^2), how many shopping trips will be made to each of the four shopping centers?
Briefly describe the simplest heat treatment procedure thatwould be used in converting a 0.76 wt% C steel from onemicrostructure to the other, as follows:
Compute the final velocities υ1 and υ2after collision of the two cylinders which slide on the smooth horizontal shaft. The coefficient of restitution is e = 0.6.
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