Document Type

Article

Publication Date

4-1-2011

Publication Title

American Journal of Physics

Abstract

We study the radial motion of an object in the gravitational field produced by an isotropic mass density that is singular at the origin. This problem applies to elliptical galaxies and can be used to illustrate motion in a central field appropriate for an intermediate-level mechanics course.

DOI

10.1119/1.3549737

Version

Postprint

Volume

79

Issue

5

Included in

Physics Commons

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