- #1
erinec
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Homework Statement
A proton is fired from far away towards a Hg nuclide.
Determine the distance of closest approach of the proton to the
centre of the nuclide when the initial speed of the proton is
4.0 * 107 m/s.
(Answer: 13.8 fm)
Homework Equations
(1/2)mv2 = kqq/r
The Attempt at a Solution
I plug the numbers straight in and solve for r to get 3.113 * 10^-15, which is totally different from the correct answer above. (For mercury charge, I used 80e since mercury has 80 protons.)