49. The space between the two cylinders filled with hyd

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49. The space between the two cylinders filled with hydrogen at t = 170C. The radius of the outer cylinder 10,5sm r1 = radius of the inner cylinder r2 = 10cm. The outer cylinder is rotated with a speed υ = 15 rev / min. L = length of the cylinder 30cm. Effects at the bases of cylinders may be disregarded. The effective diameter of a hydrogen molecule d = 2,3 ∙ 10-8sm. What torque must be applied to the inner cylinder so that it remains stationary?

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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