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+//Exa 3.3
+clc;
+clear;
+close;
+//Given Data :
+format('v',5);
+L=150;//in meter
+A=2;//in cm^2(cross sectional area)
+US=5000;//in Kg/cm^2(ultimate strength)
+g=8.9;//specific gravity
+Ww=1.5;//in Kg/m(wind pressure)
+SafetyFactor=5;//unitless
+B_strength=2*US;//in Kg
+T=B_strength/SafetyFactor;//in Kg
+Volume=A*100;//in cm^2
+Wc=1.78;//in Kg/m
+Wr=sqrt(Wc^2+Ww^2);//in Kg
+Sag=Wr*L^2/(8*T);//in meter
+disp(Sag,"Sag(in m) :"); \ No newline at end of file