Physics, 21.08.2019 21:30 jjaerere1086

19-um trem 200 m de comprimento move-se com velocidade escalar constante de 72 km/h. calcule o tempo decorrido para esse trem passar completamente:
a)por uma pessoa parada à beira da ferrovia; b)por um túnel de 100 m de extensão.

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19-um trem 200 m de comprimento move-se com velocidade escalar constante de 72 km/h. calcule o tempo...

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