# a05 - \documentclass[12pt]cfw_article % BB Jan 30 2009....

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\documentclass[12pt]{article} % BB Jan 30 2009. \usepackage{epsfig} \textheight 9.0in \textwidth 6.0in \topmargin -0.4in \headsep 0.4in \oddsidemargin 0.25in \evensidemargin 0.25in \def\sqr#1#2{{\vcenter{\hrule height.#2pt \hbox{\vrule width.#2pt height#1pt \kern#1pt \vrule width.#2pt} \hrule height.#2pt}}} \def\square{{\mathchoice\sqr64\sqr64\sqr{4.2}3\sqr{3.0}3}} \def\undertext#1{$\underline{\smash{\hbox{#1}}}$} \pagestyle{empty} \begin{document} \begin{center} {\bf ADVANCED DYNAMICS --- PHY 4241/5227}\\\vspace {2mm} {\bf HOME AND CLASS WORK -- SET 5}\\% \vspace {3mm} (January 30, 2009) \\ \end{center} \setcounter{equation}{0} \begin{description} \item{(20)} Calculate $$\delta_x L\ {\rm for\ the\ Lagrangian\ of\ two\ harmonically\ bound\ particles\ in\ 1D}$$ $$L=\frac{m_1}{2}(\dot{{x}}_1)^2+\frac{m_2}{2}(\dot{x}_2)^2 -k\,(x_1-x_2)^2\ .$$ Is there a conservation law? Due Februar 2 in class (2 points). \item{(21)} Calculate

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## This note was uploaded on 11/10/2011 for the course PHY 4241 taught by Professor Berg during the Spring '11 term at University of Florida.

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a05 - \documentclass[12pt]cfw_article % BB Jan 30 2009....

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