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clear
//
//
//
//Variable declaration
e=1.6*10^-19; //charge(coulomb)
m=9*10^-31; //mass(kg)
h=6.624*10^-34; //plank's constant(Js)
n=5.86*10^28; //density(electrons/m^3)
k=8.6*10^-5;
//Calculations
ef=(h^2/(8*m))*(3*n/%pi)^(2/3); //energy(J)
ef=ef/e; //energy(eV)
theta_f=ef/k; //maximum kinetic energy(K)
//Result
printf("\n maximum kinetic energy is %0.2f *10^4 K",theta_f/10^4)
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