What is the minimum air velocity

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Air flows past two equal sized spheres (one rough, one smooth) that are attached to the arm of a balance as is indicated in Fig. P9.83. With U = 0 the beam is balanced. What is the minimum air velocity for which the balance arm will rotate clockwise?

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Reference no: EM131369851

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What is the minimum air velocity : Air flows past two equal sized spheres (one rough, one smooth) that are attached to the arm of a balance as is indicated in Fig. P9.83. With U = 0 the beam is balanced. What is the minimum air velocity for which the balance arm will rotate clockwi..
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