A cylinder of mass m slides down from rest in a verticaltube whose inner surface is
Chapter 2, Problem 2-93(choose chapter or problem)
A cylinder of mass m slides down from rest in a verticaltube whose inner surface is covered by a viscous oil offilm thickness h. If the diameter and height of the cylinder areD and L, respectively, derive an expression for the velocity ofthe cylinder as a function of time, t. Discuss what will happenas t S q. Can this device serve as a viscometer?
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