63. Two thin-walled cylinder coaxial length l = 10 cm c

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Uploaded: 24.03.2014
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63. Two thin-walled cylinder coaxial length l = 10 cm can freely rotate around their common axis Z. The radius R of the large cylinder is 5 cm. Between the cylinders, there is a gap of d = 2 mm. Both cylinders are in air under normal conditions. The inner cylinder is rotated at a constant speed n1 = 20 s-1. The outer cylinder is braked. Determine how much longer after the release of the outer cylinder to gain the speed n2 = 1 s-1. When calculating the change in the relative speed of the cylinder neglected. The weight of the outer cylinder is 100 g.

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


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