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//Example number 5.10, Page number 88
clc;clear;
close;
//Variable declaration
delta_x=10**-8; //length of box(m)
m=9.1*10**-31; //mass(kg)
h=6.626*10**-34; //plank constant
//Calculation
delta_v=h/(m*delta_x)/10**3; //uncertainity in velocity(km/s)
//Result
printf("uncertainity in velocity is %.1f km/s",delta_v)
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