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//Chapter-4,Example4_15_24,pg 4-38
//for case1
t1=2*10^-3 //thicknesss of plate
d=2.65*10^3 //density
Y=8*10^10 //Young's modulus
k=1 //consider 1st harmonic
n1=(k/(2*t1))*sqrt(Y/d) //formula of natural frequency
printf(" 1)natural frequency =")
disp(n1)
printf("Hz")
//for case2
n2=3*10^6 //frequency
t2=(k/(2*n2))*sqrt(Y/d) //arranging formula of natural frequency
t=t1-t2 //change in thickness
printf(" 2)change in thickness =")
disp(t)
printf("meter")
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