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On the Sound, Produced by a Coin, Rolling In A Balloon

v.genkov@azbuki.bg от v.genkov@azbuki.bg
26-12-2021
in Uncategorized
A A

Denitsa Vasileva
Sofia High School of Mathematics “Paisiy Hilendarski” – Sofia (Bulgaria)

https://doi.org/10.53656/nat2021-6.06

Abstract. Balloons may be a thing children love playing with, but they also have different interesting physical properties such as the sound that is produced when something is put inside a balloon. The phenomenon of interest of this article is the one of gently rolling a coin in a balloon and exploration of the sound produced by this movement. It turns out that when a coin with edges is put in a balloon and is being rolled a buzzing sound is produced which varies in frequencies depending on the count of edges of the coin. This can be observed in non-laboratory conditions. Not many experiments have been conducted to explore this phenomenon.
Keywords: IYNT; buzzing sound; coin; balloon; frequency; velocity

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Default ThumbnailПЕДАГОГИКАТА В НАУЧНАТА СИСТЕМАТИКА НА ФРЕНСИС БЕЙКЪН Default ThumbnailModeling an Educational Environment Promoting the Development of Key Competencies in Preschool Age Default ThumbnailTHE LITERATURE OF THE BULGARIAN CATHOLICS IN A CHRESTOMATHY: HALLENGES OF LINGUODIDACTICS AND CULTURAL STUDIES Default ThumbnailКъм преосноваването на обучението по литература върху компетентностния подход (Наблюдения върху съпоставки, осъществени от зрелостници, на интерпретации на дадена тема в два художествени текста)

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