americaqa09 americaqa09
  • 22-02-2024
  • Physics
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Los granos de arena fina de las playas de California tienen un radio promedio de 50 µm. ¿Qué masa de granos de arena tendrá un área superficial total igual a la de un cubo exactamente de 1 m en un borde?. La arena se compone de dióxido de silicio, 1 m3 tiene una masa de 2600 Kg.

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