Question
The oxygen nucleus O(16) has a radius of 3.0 fm 1) With what speed must a...
The oxygen nucleus O(16) has a radius of 3.0 fm
1) With what speed must a proton be fired toward an oxygen nucleus to have a turning point 1.7 fm from the surface?
Answer [v = 2.2×10^7m/s ]
2) What is the proton's kinetic energy in MeV?
[I don't know how to figure this one out]
Answers
PE at distance r from the nucleus = 16*k*e^2/r = 0.5mv^2
r = 1.7*10^-15 m
v = 5.20054*10^7 m/sKE = 0.5mv^2 = 1.35228 *10^-5 eV
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