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+//developed in windows XP operating system 32bit
+//platform Scilab 5.4.1
+clc;clear;
+//example 16.2
+//calculation of the amplitude of vibration of the particles of the medium
+
+//given data
+lambda=40*10^-2//wavelength(in m) of the wave
+deltap=1*10^-3//difference between the minimum and the maximum pressure(in N/m^2) 
+B=1.4*10^5//Bulk modulus(in N/m^2)
+
+//calculation
+p0=deltap/2//pressure amplitude
+s0=(p0*lambda)/(2*%pi*B)//from equation of Bulk modulus
+
+printf('the amplitude of vibration of the particles of the medium is %3.2e m',s0)