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//Example 3.1
format(8)
q=1.6*10^-19 //charge of electron
V=5000 //potential difference
m=9.1*10^-31 //mass of electron
v=sqrt(2*q*V/m) //speed of electron
disp(v,"Speed of the electron, v(m/s) =sqrt(2*q*V/m) =")
ke=(q*V)/(1.6*10^-9) //kinetic energyin eV
x1=ke*10^10
disp(x1,"The kinetic energy(eV)= q x V =")
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