Physics, 24.10.2020 07:00 dontcareanyonemo

Carla saiu de onde mora em direção à casa de seus parentes, em uma distância de 280 km. Metade do percurso ela realizou com velocidade de 70 km/h e, na outra metade do caminho, ela decidiu reduzir ainda mais a velocidade, completando o percurso com 50 km/h. Qual foi a velocidade média realizada no percurso?

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Carla saiu de onde mora em direção à casa de seus parentes, em uma distância de 280 km. Metade do pe...

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