//Example 7 // ENERGY
clc;
clear;
close;
es=1;//joule
l=2;//metre
am=3;//cm
am1=5;//cm
e1=(am1^2/am^2)*es;//joules
l2=1;//meter
e2=(l/l2)*es;//joules
disp(e1,"energy in first case is,(joules)=")
disp(e2,"energy in second case is,(joules)= ")