Question Detail
Question
The constant ke, which appears in Coulomb's law formula, is equivalent dimensionally to which of the following?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Coulomb's Law states F = ke * |q1q2| / r², where F is force, q1 and q2 are charges, and r is the distance between them.Rearranging the formula to solve for ke: ke = F * r² / (q1q2).Substituting the SI units: ke = (Newtons) * (meters)² / (Coulombs * Coulombs) = N·m²/C².
Hint
Rearrange Coulomb's law to isolate the constant ke and then substitute the SI units for each variable.