科研之友
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摘要
We present a physically interesting toy, which is easily constructed and operated-the so-called buzzer. In spite of its simplicity, its physical analysis turns out to be rather complex. Thus, it comes as no surprise that most of its users are not familiar with the underlying physical mechanism. In this paper we propose a physical model which allows for the qualitative and quantitative description of the fundamental physical properties of the buzzer and report on the good agreement between theoretical and experimental data. The model is designed to give a basis for further simplification.
- 出版日期2010-5
