Si un cuerpo se encuentra en la posición (1,4) y transcurridos 4 segundos se encuentra en la posición (1,-4). ¿Cuál será su velocidad media durante el movimiento considerando que todas las unidades pertenecen al Sistema Internacional? (ejes x e y en metros)

How have the competing explanations' experiments on atoms affected the development of the atomic model?

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Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance