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//chapter11,Example11_1,pg 298
me=9.1*10^-31//masss of electron
h=6.62*10^-34//planck's const.
delx=10^-8//uncertainity in position
delp=(h/(2*%pi*delx))//uncertainity principle
delv=(delp/me)//uncertainity in velocity
printf("uncertainity in velocity\n")
printf("delv=%.2f m/sec",delv)
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