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The rim on the flywheel has a thickness t , width b , and specific weight γ. If the flywheel is rotating at a constant rate of ω , determine the maximum moment developed in the rim. Assume that the spokes do not deform. Hint : Due to symmetry of the loading, the slope of the rim at each spoke is zero. Consider the radius to be sufficiently large so that the segment AB can be considered as a straight beam fixed at both ends and loaded with a uniform centrifugal force per unit length. Show that this force is w = btγω2 r/g.
You have determined that a 0.5 ppm concentration of copper sulfate should be applied to a lake to control the growth. The lake volume is 50 ac-ft. How many pounds of copper sulfate should be dissolved in the lake
A bolt located 50 mm fm he center of an automobile wheel is tightened by applying the couple for 0.10 s. Assuming that the wheel is free to rotate and is initially at rest, determine the resulting angular velocity of the wheel.
the white river in vermont usa has a rectangular channel cross-section with a manning coefficient is n 0.040 and the
Place the scientific mass on the inclined plane and string over the pulley. Using a force-measuring device, pull the string and determine the force needed to obtain static equilibrium.
Ball A is thrown vertically upward from the top of a30-m-high-building with initial velocity of 5m/s. At the same instant another ball B is thrown upward from the ground with aninitial velocity of 20m/s. Determine the height from the ground andthe ti..
What point defects are possible for MgO as an impurity in Al2O3. How many Mg2+ ions must be added to form each of these defects.
Produce three drawing files, one for each of the objects, comprised of the front elevation and third angle projections, with associated dimensions, at an appropriate scale, together with the associated isometric view ( for the spigot cube and shaped ..
Does this law hold exactly for ideal-gas mixtures? How about nonidealgas mixtures?
The elevation of Y is 5265.879 ft. The elevation of X is required. Instrument at X: +S = 3.182,-S = 9.365,9.370, and 9.368. Instrument at Y: +S = 10.223; -S = 4.037,4.041, and 4.038. Find the elevation of X
Two links AB and B, each 25 in. long are connected at B and guided by hydraulic cylinders attached at A and D. Knowing that D is stationary and that the velocity of A is 30 in./s to the ight
the 3.5mg engine is suspended from a 500 kg spreader beam and hoisted by a crane which gives it an acceleration of 4m/s^2 when it has a velocity of 2m/s. determine the force in chains AC and AD during the lift.
Explain, in some detail, the design conditions and shear strengths used for each design condition when working with clay soils?
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