davisearron
05.12.2020 •
Mathematics
Um automóvel está a uma velocidade 2c em uma rodovia. Sabendo que 2c é metade da velocidade máxima permitida nessa rodovia, assinale a alternativa: * 2 pontos A. Como velocidade e tempo gasto no percurso são grandezas diretamente proporcionais, se a velocidade do automóvel for 4c, ele gastará o dobro do tempo no percurso. B. Se a velocidade do carro for igual à velocidade máxima permitida na rodovia, o automóvel percorrerá o dobro da distância que seria capaz de percorrer na velocidade inicial. C. Quando a velocidade do automóvel for igual a c, sua velocidade será igual à velocidade máxima da rodovia. D. As grandezas velocidade e distância percorrida são inversamente proporcionais. E. As grandezas velocidade e tempo gasto no percurso são diretamente proporcionais.
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