\documentclass[letterpaper, 10pt]{article}

\usepackage[solutions,
            author={W. Trevor King},
            coursetitle={Physics 102},
            classtitle={Recitation 1},
            subheading={Chapter 19}]{../../tex/problempack}
\input{../../tex/EM_emp.sty} % include some E&M metapost macros

\begin{document}

\input{problems}

\end{document}
