Comment on 'Approaching the brachistochrone using inclined planes-striving for shortest or equal travelling times'

In a recent article, Theilmann (2016 Phys. Ed. 52 015009) analyses experimental results for a ball rolling along an inclined surface. While the article has some merit, it also contains fundamental flaws. The author makes the assumption that kinetic friction for translational motion is analogous to t...

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Veröffentlicht in:	Physics education 2018-09, Vol.53 (5), p.56502
Hauptverfasser:	Minkin, Leonid, Whiting, Percy
Format:	Artikel
Sprache:	eng
Schlagworte:	Inclined planes Kinetic friction Translational motion Travel time
Online-Zugang:	Volltext
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