English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

In a recent article in this journal there is a description of a method to determine the resonance of an air column, to calculate the speed of sound, using Lissajous curves. However, some theoretical aspects to improve the understanding of this technique, as well as some limitations of its use can be better exploited. This note was written with the aim of improving those aspects which should be useful for future readers of the paper.

Entendendo as limitações do uso das figuras de Lissajous para medir a velocidade do som