//Chapter 11 : Free Electron Theory Of Metals clear; //Variable declaration k=1.376*10**-23 //Boltzmann's constant in J/K T=300 //Temperature m=9.11*10**-31 //Mass of electron //Calculations v=sqrt((3*k*T)/m)/10**5 //Result mprintf("Root Mean Square Velocity v= %1.2f*10**5 m/s",v)