Kwai Logo
Kwai User Avatar
A velocidade da luz no vácuo, simbolizada pela letra c {\displaystyle c}, é, por definição, igual a 299 792 458 metros por segundo.[1] O símbolo c {\displaystyle c} origina-se do latim celeritas, que significa velocidade ou rapidez.[2] A velocidade da luz em um meio material transparente, tal como o vidro ou o ar, é menor que c, sendo a fração função do índice de refração do meio #Astronomia #fisica #ciencias #universo #velocidadedaluz
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