luisflored luisflored
  • 25-11-2022
  • Mathematics
contestada

Se dispara una bala de 12 g en forma horizontal incrustándose en un trozo de madera de 7 kg que está en reposo. La madera y la bala adquieren una velocidad de 0.4 m/s después del impacto ¿cual es la magnitud de la velocidad inicial de la bala

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