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+clc;
+clear all;
+disp("Total drag force")
+L=30;//m
+A=30*10;//m^2
+U=0.6;//m/s
+ReL=5*10^5;
+rho=998;//kg/m^3
+v=10^(-6);//m^2/s
+xc=ReL*v/U;//m
+del=5*xc/ReL^0.5;//m
+disp("mm",del*1000,"Maximum boundary layer thickness =")
+ReL=U*L/v;
+Cf=0.455/(log10(ReL))^2.58-1670/ReL;
+Fd=Cf*0.5*rho*A*U^2;//N
+disp("N",Fd,"The total drag force =")
+P=Fd*U;//W
+disp("W",P,"Power required =")