Principles of Physics II
Coulomb's constant is a fundamental physical constant that quantifies the strength of the electrostatic force between two charged objects. Its value is approximately $$8.99 \times 10^9 \text{ N m}^2/\text{C}^2$$ and plays a crucial role in determining the force of attraction or repulsion according to the law of electrostatics. The constant serves as a bridge in understanding how charges interact in various scenarios, impacting both point charges and electric fields.
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