\begin{problem*}{12.33}
A $2.00\U{kg}$ object attached to a spring moves without friction and
is driven by an external force $F=(3.00\U{N})\sin(2\pi t)$.  Assuming
that the force constant of the spring is $20.0\U{N/m}$,
determine \Part{a} the period and \Part{b} the amplitude of the
motion.
\end{problem*}

\begin{solution}
\end{solution}
