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clc;
warning("off");
printf("\n\n example12.2 - pg562");
p=1.2047*0.06243; //[lb/ft^3]
mu=(18.17*10^-6)*(0.6720); //[lb/ft*sec]
v=mu/p;
x=2; //[ft]
U=6; //[ft/sec]
Nre=(x*U)/v;
disp("The Reynolds number is well within the laminar region",Nre,"Nre=");
del=5*x*(Nre)^(-1/2);
C1=0.33206;
Cd=2*C1*(Nre)^(-1/2);
L2=2; //[ft]
L1=1; //[ft]
b=1;
F=((2*(C1)*U*b))*((mu*p*U)^(1/2))*(((L2)^(1/2))-((L1)^(1/2)));
gc=32.174;
F=F/gc;
printf("\n\n The value of F properly expressed in force units is \n F=%e lbf",F);
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