Two point charges of each are separated by inside a liquid whose relative…

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

Two point charges of

+5\,\mu\text{C}

each are separated by

20\,\text{cm}

inside a liquid whose relative permittivity is 4. Determine the magnitude of the force between them. (

k = 9 \times 10^{9}\,\text{N}\,\text{m}^2/\text{C}^2

)