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Determination of a capillary radius by measurement of fluid flow rate in tube, given a Newtonian fluid. Given the following data: Length of capillary tube: 80.0 cm Kinematic viscosity of liquid: 4.00 x 10-5 m2/s Density of liquid: 1.20 x l0 3 kg/m3 Pressure drop in tube: 4.50 x 10 5 Pa Mass rate of flow through tube: 3.20 x 10-3 kg/s Assume the tube is vertical, and taking into account gravity, calculate the radius of the tube in mm, to 3 significant figures. Assume the tube is vertical, and neglecting gravity, calculate the radius of the tube in mm, to 3 significant figures. Assume the tube is horizontal. The force of gravity now acts equally throughout the length, but in a direction perpendicular to the flow direction. Neglecting the effect of gravity, calculate the radius of the tube in mm, to 3 significant figures. For the horizontal tube, plot the fluid velocity as a function of radius. Pipe flow. If a pipe diameter is doubled at constant pressure drop what percentage change will occur in the volumetric flow rate? Show your analysis by means of equations and variables.