7. James Casey, Comment on “Kepler’s second law and conservation of angular momentum” [Phys. Essays 24, 260 (2011)]

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Volume 30: Pages 388-391, 2017

 

Comment on “Kepler’s second law and conservation of angular momentum” [Phys. Essays 24, 260 (2011)]

 

James Caseya)

 

Department of Mechanical Engineering, University of California, 6125 Etcheverry Hall, Berkeley, California 94720-1740, USA

 

After reviewing the derivation of the formula for areal velocity, it is shown that the paper by Spolter [Phys. Essays 24, 260 (2011)] has a basic mathematical error which leads the author to infer the wrong physical conclusion.

 

Après avoir examiné la dérivation de la formule pour la vitesse aréolaire, il est montré que l’article de P. Spolter [Physics Essays, 24, 260 (2011)] comporte une erreur mathématique fondamentale qui conduit l’auteur à déduire une conclusion physique erronée.

 

Key words: Kepler’s Second Law; Areal Velocity; Angular Momentum.

 

Received: August 11, 2017; Accepted: September 25, 2017; Published Online: October 11, 2017

 

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