Estimate the radius of a capillary tube (mm) from these measurements taken for the flow of a viscous fluid through the tube: capillary tube length = 50.02 cm, kinematic viscosity = 4.03 × 10 −5 m 2 s...

Estimate the radius of a capillary tube (mm) from these measurements taken for the flow of a viscous fluid through the tube: capillary tube length = 50.02 cm, kinematic viscosity = 4.03 × 10⁻⁵
m²
s⁻¹, fluid density (ρ) = 0.9552 × 103 kg m⁻³, pressure drop across the tube in a horizontal position = 4.766 atm, mass flow rate through the tube of the viscous fluid = 0.1798 kg min⁻¹.