One of the difficulties related to the COVID-19 pandemic is the shifting from face-to-face to distance teaching. Both schools and universities had suddenly to organize on-line lectures. To perform laboratory practice even in this period, easily accessible materials, smartphones physics apps, online tools and devices can be used. In this paper a method to measure the gravitational acceleration studying the free falling body using an Arduino board is presented.
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Fausto Casaburo (2021) studied this question.
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