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diff --git a/2381/CH1/EX1.22/ex_22.sce b/2381/CH1/EX1.22/ex_22.sce
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+//Example 22 // frequency
+clc;
+clear;
+close;
+k=100;//N/m
+m=100;//gm
+n1=((1/(2*%pi))*sqrt(k/(m*10^-3)));//sec^-1
+m1=100;//gm
+m2=200;//gm
+mu=((m1*m2)/(m1+m2))*10^-3;//kg
+fr=((1/(2*%pi))*sqrt(k/mu));//sec^-1
+disp(n1,"in first case frequency is,(sec^-1)=")
+disp(fr,"in second case frequency is,(sec^-1)=")