americaqa09 americaqa09
  • 22-02-2024
  • Physics
contestada

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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