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+clc
+clear
+printf("Example 4.2 | Page number 94 \n\n");
+//Part (a) Find change in energy of the system
+//Part (b) Find the magnitude and direction of work during B
+//Given Data
+Q_a = -50 //KJ //heat transferred from the system along path A
+W_a = -65 //KJ //work done along path A
+Q_b = 0 //KJ //heat transferred from the system along path B
+//W_b work done along path B
+
+//Solution
+
+//Part(a)
+printf("Part (a)\n");
+delE_a = Q_a - W_a //KJ //Change in energy along path A
+printf("Change in energy of the system = %.2f KJ\n\n",delE_a);
+
+//Part(b)
+printf("Part (b)\n");
+delE_b = -1*delE_a //KJ //Change in energy along path B
+W_b = delE_b - Q_b //KJ //work done along path B
+printf("Magnitude and direction of work done during B, W_b = %.2f KJ",W_b)