Spinning of the boomerang
Weights are sometimes added to the arms of a boomerang. What effect would this have on the spinning of the boomerang? Where should they be placed for greatest effect? Please indicate the location and explain your reasoning.
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Refrigerant-134a is being transported at .1kg/s through a Teflon tube of inside diameter Di = 25mm and outside diameter Do = 28mm, while atmospheric air at V = 25 m/s and 300K is in cross flow over the tube.
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Determine the largest intesity w0 of the distributed load that the beam can support if the beam can withstand a maximum bending moment of Mmax =20knm and a maximum shear force of Vmax=80kn.
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