Análise de um estilingue e espirais de caderno: Um estudo de caso.
Published in Rev. Bras. de Ensino de Fisica, 2006
Can a hit from a slingshot kill you? My first academic paper shows that even home-made slingshots can be fatal, owing to cubic terms in Hooke’s law that make elastics a lot more dangerous than springs. Download paper (in Portuguese) here