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2. Una pelota cayó desde un edificio de 80m de altura, si llegó a tierra con una rapidez de 40 m/s. Calcula el tiempo que transcurrió.2. Una pelota cayó desde un edificio de 80m de altura, si llegó a tierra con una rapidez de 40 m/s. Calcula el tiempo que transcurrió.

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2. Una pelota cayó desde un edificio de 80m de altura, si llegó a tierra con una rapidez de 40 m/s....

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