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Coulomb's Law F = k12 relates the force F between two charges q and 72 Q, which are a distance of r units apart. Solve the formula for k. O k 72 F qQ O k = FqQ 72 Ok = -90 O k=p²F+qQ Ook Air

Coulombs Law F k12 relates the force F between two charges q and 72 Q which are a distance of r units apart Solve the formula for k O k 72 F qQ O k FqQ 72 Ok 90 class=

Respuesta :

[tex]\begin{gathered} F=k\frac{qQ}{r^2} \\ We\text{ want to make 'k' the subject of the formula:} \\ MultiplyBothSidesBy,r^2 \\ F\cdot r^2=kqQ \\ \text{Divide both sides by 'qQ', we have:} \\ k=\frac{r^2F}{qQ} \end{gathered}[/tex]

Hence, option A is the correct answer

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