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IPT2018-Problem9- Screaming Ballon (Federal University of ABC, Brazil)

Ferreira, Henrique; Pessôa, Matheus

IPT2018 Problem 9 Screaming Ballon Federal University of ABC:  If you put a hex nut in a balloon it is possible to make it «scream» by giving a certain rotational movement to the balloon. How do the characteristics of the sound produced depend on the important parameters of the system?

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