deletions | additions       diff --git a/Problem 1.tex b/Problem 1.tex  index 4e5a10d..c1e81eb 100644  --- a/Problem 1.tex  +++ b/Problem 1.tex 
...
b=\frac{2e^2}{m_e v^2}\sim1\times10^{-7}~\rm{cm}  \end{equation}  \noindent which corresponds to $l=3\times10^{13}~\rm{cm}$ and a timescale $\tau=l/v\sim4\times10^5~\rm{s}\sim5~\rm{days}\\sim0.01~\rm{years}$. $\tau=l/v\sim4\times10^5~\rm{s}\sim5~\rm{days}\sim0.01~\rm{years}$.  \subsection{Part b}