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diff --git a/3862/CH8/EX8.18/Ex8_18.sce b/3862/CH8/EX8.18/Ex8_18.sce
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+clear
+//variable declaration
+
+G=(0.4*100000) //modulus of rigidity of material,N/mm^2
+K=(0.8*100000) //bulk modulus,N/mm^2
+
+E=(9*G*K)/(3*K+G)
+
+
+printf("\n Youngs modulus= %0.3f N",E)
+
+pr=(E/(2*G))-1
+
+printf("\n Poissons Ratio %0.4f ",pr)