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Physics, 12.03.2020 05:48 kiyomi58

A cylinder with diameter 100mm and length 0.25m slides vertically down inside a hollow cylindrical tube of diameter 102mm. The space between the cylindrical body and the tube wall is filled with thick lubricating oil with a dynamic viscosity of 2.5 Ns/m2 . Calculate the terminal velocity of the cylinder if its weight is 20N.

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