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clc;
k=1.38*10^-23; //Boltzmann's constant in J/K
t=100+273; //temperature in Kelvin
m=5.3*10^-26; //mass of oxygen molecule in kg
v=sqrt((3*k*t)/m); //calculating average velocity using kinetic theory of gases.
disp(v,"Average velocity of molecules in m/sec = "); //displaying result
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