coulombs law $f = k\\frac{qq}{r^{2}}$ relates the force $f$ between two charges $q$ and $q$, which are a…

coulombs law $f = k\\frac{qq}{r^{2}}$ relates the force $f$ between two charges $q$ and $q$, which are a distance of $r$ units apart. choose the formula that represents this when solved for $k$.\na $k=\frac{r^{2}f}{qq}$\nb $k = \frac{f}{r^{2}qq}$\nc $k=\frac{r^{2}}{fqq}$\nd $k=\frac{qq}{r^{2}f}$

coulombs law $f = k\\frac{qq}{r^{2}}$ relates the force $f$ between two charges $q$ and $q$, which are a distance of $r$ units apart. choose the formula that represents this when solved for $k$.\na $k=\frac{r^{2}f}{qq}$\nb $k = \frac{f}{r^{2}qq}$\nc $k=\frac{r^{2}}{fqq}$\nd $k=\frac{qq}{r^{2}f}$

Answer

Explicación paso a paso:

Paso 1: Reescribir la ecuación de Coulomb

La ley de Coulomb es $F = k\frac{qQ}{r^{2}}$. Queremos despejar $k$.

Paso 2: Multiplicar ambos lados por $r^{2}$

$F\times r^{2}=k\times qQ$.

Paso 3: Dividir ambos lados por $qQ$

$k=\frac{F r^{2}}{qQ}$.

Respuesta:

D. $k = \frac{F r^{2}}{qQ}$