Um automovel, move-se a uma velocidade de 90km/h. As suas rodas têm um diâmetro de 50cm e não escorregam no solo .
a) Qual é a velocidade linear de um ponto no Centro da roda?
b) Calcule a frequência de rotação da roda.
C) Calcule a velocidade linear e angular de um ponto da periferia.
Answers: 3
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