Analysis of the Propulsion Phase of Water Rockets Using Smartphone Sensors and Video Analysis

• Guilherme Frederico Marranghello ^[1] ; Márcia Maria Lucchese ^[1] ; Fábio Saraiva da Rocha ^[2]
  1. [1] Unipampa
  2. [2] UFPel, Eldorado do Sul
• Localización: The Physics Teacher, ISSN 0031-921X, Vol. 60, Nº. 6, 2022, págs. 437-440
• Idioma: inglés
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• Resumen

  • Water rockets can be used in a variety of ways, from schools to planetariums, with very young kids or adults. We propose here simple forms to work with water rockets, going one step further than a simple launch. A smartphone can be used to film the launch and analyze its motion with video analysis or it can even be attached to the rocket, using its acceleration sensor. We present both experimental techniques, theory, and a discussion about the propelling phase of the rocket’s motion. The results show amazing features that are frequently neglected when discussing parabolic motion.