Determne the diameter of the tube at a uniform rate

Reference no: EM13304719

A 25 mm diameter steel cylinder falls under its own weight at a uniform rate of 0.1 m/s inside a tube of slightly larger diameter. Castor oil of viscosity 0.25 N.s/m2 fills the spacing between the tube and the cylinder. Find the diameter of the tube. (Specific weight of steel = 7.8 t/m3).

Reference no: EM13304719

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