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+clc;
+clear all;
+disp("drag force value")
+L=5;//m
+W=0.75;//m
+U=5;//m/s
+v=0.011*10^(-4);//m^2/s/m^3
+rho=1000;//kg
+ReL=U*L/v;// reynolds number at the end of plate
+A=L*W;
+Cf=0.455/(log10(ReL))^2.58;
+Fd=2*Cf*(0.5*rho*A*U^2);
+disp("N",Fd,"Drag force =")