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+
+clear//
+
+//Variable Declaration
+L=2.5 //Length in m
+A=1200 //Cross sectional Area in mm^2
+delta_T=40 //Temperature drop in degree C
+delta=0.5*10**-3 //Movement of the walls in mm
+alpha=11.7*10**-6 //Coefficient of thermal expansion in /degreeC
+E=200*10**9 //Modulus of elasticity in Pa
+
+//Calculation
+//Part(1)
+sigma_1=alpha*delta_T*E //Stress in the rod in Pa
+
+//Part(2)
+//Using Hookes Law
+sigma_2=E*((alpha*delta_T)-(delta*L**-1)) //Stress in the rod in Pa
+
+printf("\n The Stress in part 1 in the rod is %0.1f MPa",sigma_1*10**-6)
+printf("\n The Stress in part 2 in the rod is %0.1f MPa",sigma_2*10**-6)