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notsponge [240]
2 years ago
10

Dos cargas puntuales q1 = 6 x 10-6 C y q2 = 8 x 10-6 C están separadas 5 cm y ubicadas en el vacío. Calcule el valor de la fuerz

a entre las cargas.
Physics
1 answer:
Alex_Xolod [135]2 years ago
7 0

Answer:

El valor de la fuerza entre las cargas es 172.8 N.

Explanation:

La fuerza electromagnética o electrostática es la interacción que se da entre cuerpos que poseen carga eléctrica.

La ley de Coulomb se emplea para calcular la fuerza eléctrica que actúa entre dos cargas en reposo y habla sobre la influencia que tienen las cargas y  la distancia sobre la fuerza de atracción o repulsión de un cuerpo  cargado eléctricamente. Esta ley indica que la magnitud de cada una de las fuerzas eléctricas con que interactúan dos cargas puntuales en reposo es directamente proporcional al producto de la magnitud de ambas cargas e inversamente proporcional al cuadrado de la distancia que las separa. La fuerza es de repulsión si las cargas son de igual signo, y de atracción si son de signo contrario.

La ley de Coulomb se representa matemáticamente mediante:

F=k*\frac{q1*q2}{r^{2} }

donde:

  • F = fuerza eléctrica de atracción o repulsión en Newtons (N).  
  • k = es la constante de Coulomb o constante eléctrica de proporcionalidad.
  • q1, q2 = valor de las cargas eléctricas medidas en Coulomb (C).
  • r = distancia que separa a las cargas y que es medida en metros (m).

En este caso:

  • k= 9*10⁹ \frac{N*m^{2} }{C^{2} } Valor de la constante en el vacío.
  • q1= 6*10⁻⁶ C
  • q2= 8*10⁻⁶ C
  • r= 5 cm= 0.05 m

Reemplazando:

F=9*10^{9} \frac{N*m^{2} }{C^{2} }*\frac{6*10^{-6}C *8*10^{-6}C}{(0.05 m)^{2} }

Resolviendo se obtiene:

F= 172.8 N

<u><em>El valor de la fuerza entre las cargas es 172.8 N.</em></u>

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