//exapple 9.3 clc; funcprot(0); // Initialization of Variable rhog=1200;//density of glycerol mu=1.45; pi=3.1428; g=9.81; rhos=2280;//density of sphere v=0.04;//terminal velocity; a=2*mu*g*(rhos-rhog)/v^3/3/rhog^2;//a=Cd/2/Re //using graph of Cd/2/Re vs Re Re=0.32; d=Re*mu/v/rhog; disp(d , "Diameter of sphere in (m):");