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Winter 1994

How to Balance a Stick; Can Terminal Velocity be Exceeded?; Book Review: ODEs by V.I. Arnol'd; Interactions and Reactions; The Solow Model of Economic Growth

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Announcements for the Winter 1994

Item How to Balance a Stick
By Boyd Cardon; Gene Enneking; Fred Wilke
We seek to examine the behavior of a rod confined to move in a straight line over a level, smooth, frictionless surface. In particular, we will pose the question: What horizontal moving force will keep a rod in a fixed angular position when the rod is deflected with respect to the vertical by a small angle?

Item Can Terminal Velocity be Exceeded?
By James Fink; James H. Freeman; Charles Hampton
This delightfully wry laboratory exercise is intended for students early in a first ODE course. The exercise will require a software package that supports graphical output.

Item Book Review: ODEs by V.I. Arnol'd
By Stephen Kennedy
Kennedy reviews the third edition of one of the classic texts in the field, written by V.I. Arnol’d, and published by Springer-Verlag, 1992.

Item Interactions and Reactions
By Wei-Jen Harrison; Jeffrey Palmer
This project contains three experiments: a predator-prey model, a fish harvesting model, and a model of the Brusselator reaction.

Item The Solow Model of Economic Growth
By Lisa Holden; Jon Johnson
Johnson and Holden have split their intriguing approach to the simplest of Solow’s models into three modules. The first could be assigned as homework and the second as a computer laboratory experiment. The last module would make a great open-ended project.

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