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===== Comments by Mary Bridget Kustusch (post-doc, teaching "Central Forces" Winter 2013): =====

I chose to do this activity in class instead of [[courses:activities:cfact:cfqmringgroup2|Time Dependence for a Particle Confined to a Ring]] because I really wanted to emphasize series expansions later in the class and I felt this was a nice place to start introducing the key ideas.