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//Example number 6.9, Page number 120
clc;clear;
close;
//Variable declaration
Ee=10; //electron kinetic energy(eV)
Ep=10; //proton kinetic energy(eV)
e=1.6*10**-19; //charge(c)
me=9.1*10**-31; //mass(kg)
mp=1.67*10**-27; //mass(kg)
//Calculation
cebar=sqrt(2*Ee*e/me); //electron velocity(m/s)
cpbar=sqrt(2*Ep*e/mp); //proton velocity(m/s)
//Result
printf("electron velocity is %.3e m/s",cebar)
printf("\n proton velocity is %.3e m/s",cpbar)
//answers given in the book are wrong
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