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Physics, 22.07.2019 02:01 keigleyhannah30

¿cuál es la velocidad promedio de un hombre que camina 70m con una rapidez de 1m/s y luego corre 70m con una rapidez de 3m/s?

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¿cuál es la velocidad promedio de un hombre que camina 70m con una rapidez de 1m/s y luego corre 70m...
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