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+//Exam:18.2
+clc;
+clear;
+close;
+E_f=69;//modulus of elasticity in GPa
+V_f=40/100;//Volume of glass fibres %
+E_m=3.4;//modulus (in GPa)
+V_m=60/100;//Volume of polyester resin %
+E_cl=E_m*E_f/(E_m*V_f+E_f*V_m);//modulus of elasticity when the stress is applied perpendicular to the direction of the fibre alignment(in Gpa)
+disp(E_cl,'modulus of elasticity when the stress is applied perpendicular to the direction of the fibre alignment(in Gpa)='); \ No newline at end of file