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+clear;
+clc;
+
+//Example 2.7
+//Caption : Program to find the Enegy Changes in the Process
+
+//Given values
+P=7;//pressure=7bar
+m=45;//Mass of cube
+mt=23;//mass of piston,piston rod,pan
+x=0.5;//Distance moved=0.5m
+g=9.8;//Acceleration Due to gravity(m/s^2)
+
+//Solution 
+
+//Acc to Eqn del_U_sys+del_U_surr+del_PE_surr=0
+del_PE_surr=(m+mt)*g*x;
+//ans=del_U_sys+del_U_surr
+disp('J',-del_PE_surr,'Energy Changes in the Process')
+
+//End
+\ No newline at end of file