GKFix MCQ Question

In the formula U = (1/(4πε₀)) * (q₁q₂/r₁₂), what is the value of 1/(4πε₀)?

• A. 3 × 10⁸ m/s
• B. 6.67 × 10⁻¹¹ N·m²/kg²
• C. 1.6 × 10⁻¹⁹ C
• D. Approximately 9 × 10⁹ N·m²/C²