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//Example 8_10
clc();
clear;
//To calculate the frequency of pure iron rod
l=40*10^-3 //units in meter
d=7.25*10^3 //units in kg/m^3
Y=115*10^9 //units in N/m^3
v=(1/(2*l))*sqrt(Y/d)
printf("Natural frequency v=%.3f Hz",v)
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