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Direct linkKarls, Michael A. – PRIMUS, 2013
The wave equation with variable tension is a classic partial differential equation that can be used to describe the horizontal displacements of a vertical hanging chain with one end fixed and the other end free to move. Using a web camera and TRACKER software to record displacement data from a vibrating hanging chain, we verify a modified version…
Descriptors: Calculus, Equations (Mathematics), Motion, Mechanics (Physics)
Yanik, H. Bahadir; Kurz, Terri L.; Memis, Yasin – Clearing House: A Journal of Educational Strategies, Issues and Ideas, 2014
The purpose of this investigation is to describe an implementation of a modeling task using mock data from an ancient archeological find. Students discover the relationship between the height of a person and his or her stride length. Qualitative data from student discussions document thinking and reasoning.
Descriptors: Investigations, Program Descriptions, Program Implementation, Task Analysis
