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Your search keyword '"André G. C. Guerra"' showing total 3 results
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3 results on '"André G. C. Guerra"'

1. MAGAL Constellation

Author

Clara Lazaro, Fernandes, MJ, Arlindo Marques, Joaquim Melo, André G. C. Guerra, André João, Miguel Martin, Miguel Arantes, Paulo Figueiredo, Vitor Coelho, Nuno Borges Carvalho, Catarina M. Cecílio, Ana Martins, Yaroslav Mashtakov, Edgar Carrolo, Burke Fort, Byron Tapley, Brian Jones, Hugo Silva, and Faculdade de Ciências

Published
2022

2. MAGAL Constellation -- Using a Small Satellite Altimeter Constellation to Monitor Local and Regional Ocean and Inland Water Variations

Author

Clara Lazaro, Fernandes, MJ, André G. C. Guerra, André João, Miguel Arantes, Miguel Martin, Paulo Figueiredo, Alexander Costa, Catarina M. Cecilio, Inês Castelão, A. Marques, K. Brandão, P. Lima, Yaroslav Mashtakov, Anna Guerman, Catharina Pieper, Ana Martins, Burke O. Fort, Timothy J. Urban, Byron D. Tapley, Brandon A. Jones, and Faculdade de Ciências

Published
2022

3. Orbital motions of astronomical bodies and their centre of mass from different reference frames: a conceptual step between the geocentric and heliocentric models.

Author

André G C Guerra and Paulo Simeão Carvalho

Abstract

The motion of astronomical bodies and the centre of mass of the system is not always well perceived by students. One of the struggles is the conceptual change of reference frame, which is the same that held back the acceptance of the Heliocentric model over the Geocentric one. To address the question, the notion of centre of mass, motion equations (and their numerical solution for a system of multiple bodies), and change of frame of reference is introduced. The discussion is done based on conceptual and real world examples, using the solar system. Consequently, through the use of simple ‘do it yourself’ methods and basic equations, students can debate complex motions, and have a wider and potentially effective understanding of physics. [ABSTRACT FROM AUTHOR]

Published
2016
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