Collaborative development of plasma physics MOOC in the context of a PhD curricular unit

Torres, A.; Gonçalves, Duarte; Ricardo, E.; Ferreira, Ricardo Grosso; Calado, Rui; Torres, Rosângela Pavan; Fernandes, H.; Guerra, Vasco

doi:10.1109/expat.2019.8876481

Cited by 2 publications

(5 citation statements)

References 4 publications

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“…Note that from equation (12), the error in the mean goes like N 1 when the samples have the same Δx. So then, in order to ensure an accurate measure, a large N must be considered.…”

Section: The Role Of Nmentioning

confidence: 99%

“…In particular, we take the data of the seven experiments as valid, and we perform the mean over them, which is shown in figure 15 as a gray dashed line. The shaded region is its corresponding error, computed with equation (12). In other words, we performed the mean over the means.…”

Section: (mentioning

confidence: 99%

“…In the spirit of the above, UNAD has implemented a series of online experiments in physics within the World Pendulum Alliance (WPA@elab) network, which connects fourteen institutions in eight countries with a net of pendulums that are remotely accessible [12]. This is the first network of RCL based on simple pendulums, as in the literature one can find based on individual inverted pendulum [8].…”

Section: Introductionmentioning

confidence: 99%

“…The RCL network was initially developed by the Instituto Superior Técnico (IST) by introducing a massive open online course (MOOC) in 2016 as an alpha-version accessible to its students. In 2019, UNAD joined the project by evaluating and correcting a beta version focusing efforts on an RCL devoted solely to oscillatory phenomena inside the MOOC [12].…”

Section: Introductionmentioning

confidence: 99%

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Computing the gravitational acceleration within the World Pendulum Alliance as an application of the remote laboratory methodology

Torres-Payoma,

Herrera,

Triana

et al. 2023

Eur. J. Phys.

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This paper describes a method for calculating gravitational acceleration using simple pendulums available through the World Pendulum Alliance. This network comprises fourteen institutions across eight countries, each providing a pendulum that can be accessed remotely via the Internet. We demonstrate how to measure the pendulum's period for $N$ oscillations, discussing the importance of repetitions and samples in minimizing experimental uncertainty. We then use the averaged period value to compute the local gravitational acceleration, accounting for corrections due to the moment of inertia of the system. Finally, we analyze the geographical location of each pendulum to explore the dependence of gravity on latitude, longitude, and altitude and discuss its implications for the Earth's shape. We believe this tool will be useful for physics courses at the introductory and university levels due to its remote access features and its relevance to fundamental concepts.

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“…Note that from equation (12), the error in the mean goes like N 1 when the samples have the same Δx. So then, in order to ensure an accurate measure, a large N must be considered.…”

Section: The Role Of Nmentioning

confidence: 99%

Section: (mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Computing the gravitational acceleration within the World Pendulum Alliance as an application of the remote laboratory methodology

Torres-Payoma,

Herrera,

Triana

et al. 2023

Eur. J. Phys.

View full text Add to dashboard Cite

show abstract

“…These RCL allows us to measure in realtime the pendulum dynamics and calculate the variations of the gravitational acceleration as a function of the geographic coordinates. This RCL network was initially developed by the Instituto Superior Técnico (IST) by introducing a Massive Open Online Course (MOOC) in 2016 as an alpha-version accessible to its students [7]. In 2019, UNAD joined the project by evaluating and correcting a beta version focusing efforts in an RCL devoted uniquely to oscillatory phenomena inside the MOOC.…”

Section: Introductionmentioning

confidence: 99%

Computing the gravitational acceleration withing the World Pendulum Alliance: an application of the remote laboratory methodology implemented by UNAD

Torres-Payoma¹,

Herrera²,

Triana³

et al. 2022

Preprint

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In this paper, we calculate the gravitational acceleration by using simple pendulums within the designated World Pendulum Alliance: a network constituted by fourteen institutions in eight countries, each provided by a pendulum that can be accessed remotely via the Internet. As a pedagogical option for remote laboratory experiences, we show how to access them and measure the pendulum's period for N oscillations. We discuss the role of the repetitions and samples to minimize the experimental uncertainty, and by using the averaged value of the period, we compute the gravitational acceleration locally. Also, we present the corrections due to the moment of inertia of the system. Finally, by taking into account the geographical location of each pendulum, we report gravity's dependence on latitude, longitude, and altitude by discussing the implications on the Earth's shape. We hope this tool will be helpful for introductory and university physics courses due to its remote access features and its relation to fundamental concepts.

show abstract

Collaborative development of plasma physics MOOC in the context of a PhD curricular unit

Cited by 2 publications

References 4 publications

Computing the gravitational acceleration within the World Pendulum Alliance as an application of the remote laboratory methodology

Computing the gravitational acceleration within the World Pendulum Alliance as an application of the remote laboratory methodology

Computing the gravitational acceleration withing the World Pendulum Alliance: an application of the remote laboratory methodology implemented by UNAD

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