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//Example 16_8
clc();
clear;
//To find out the speed of the proton
k=9*10^9 //Units in N meter^2/C^2
q=5*10^-6 //Units in C
r=0.5 //Units in meters
v1=(k*q)/r //Units in V
q=1.6*10^-19 //Units in V
m=1.672*10^-27 //Units in Kg
v=sqrt((v1*q*2)/m) //Units in V
printf("The speed of electron is v=%.2f meters/sec",v)
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