Solving a problem in physics section 49 point 8 mechan

Solving a problem in physics section 49 point 8 mechan

8. In a lateral surface of the cylindrical vessel is inserted in a capillary with the inner diameter d and length l. The vessel was poured liquid with dynamic viscosity η. The dependence of the speed and lowering the level of the liquid in the vessel from the height h above the level of the capillary.

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