Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleJÁ LHE PERGUNTARAM...AuthorsAlves Pena, Fábio Luís; Santos Leitão, VâniaPublicationCaderno Brasileiro de Ensino de Física, 2012, Vol 29, Issue 1, p180ISSN1677-2334Publication typeArticleDOI10.5007/2175-7941.2012v29n1p180