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physics.ed-ph2006★ 7 cited
Understanding the tsunami with a simple model
O. Helene, M. T. Yamashita
In this paper, we use the approximation of shallow water waves (Margaritondo G 2005 Eur. J. Phys. 26 401) to understand the behaviour of a tsunami in a variable depth. We deduce th…
physics.ed-ph2005
A unified model for the long and high jump
O. Helene, M. T. Yamashita
A simple model based on the maximum energy that an athlete can produce in a small time interval is used to describe the high and long jump. Conservation of angular momentum is used…