\documentstyle[11pt]{article} \textheight 22cm \textwidth 16cm \hoffset= -0.6in \voffset= -0.5in \setlength{\parindent}{0cm} \setlength{\parskip}{15pt plus 2pt minus 2pt} \pagenumbering{roman} \setcounter{page}{-9} \newcommand{\be}{\begin{equation}} \newcommand{\ee}{\end{equation}} \newcommand{\bd}{\begin{displaymath}} \newcommand{\ed}{\end{displaymath}} \begin{document} \begin{center} {\Large ASTR450 Homework \# 2 -- Central Force Motion\\ Due Tuesday, February 18} \end{center} Reading: Danby's Chapter 4 and Appendix A. 1. Danby: Page 82, Problem 1. 2. Danby: Page 82, Problem 2. 3. Danby: Page 83, Problem 4. 4. Danby: Page 83, Problem 5. 5. Danby: Page 83, Problem 6. Test your answers numerically with the Central Force Integrator program which can be reached from the class web site. Sketch a few example orbits for each of the four force laws. \enddocument}