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Experiments with the drinking bird
Author(s) -
J. Güémez,
Rafael Valiente,
Carlos Fiolhais,
M. Fiolhais
Publication year - 2003
Publication title -
american journal of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.541
H-Index - 99
eISSN - 1943-2909
pISSN - 0002-9505
DOI - 10.1119/1.1603272
Subject(s) - physics , evaporation , humidity , simple (philosophy) , period (music) , dynamics (music) , motion (physics) , atmospheric sciences , mechanics , meteorology , classical mechanics , acoustics , philosophy , epistemology
We present a simple model of the dynamics of the drinking bird and relate its period to the properties of its internal and external liquids. The effect of humidity on the motion is studied and it is shown that there are two evaporation regimes. The results of the model are in agreement with observations. © 2003 American Association of Physics Teachers.

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