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Is this formula correct I feel like something should be squared (My teacher told me something was wrong with it I forgot where it was)

Is This Formula Correct I Feel Like Something Should Be Squared My Teacher Told Me Something Was Wrong With It I Forgot Where It Was class=

Answer :

The formula is

[tex]F=k\frac{q1q2}{r^2}[/tex]

In order to determine the distance r, the formula will be

[tex]\begin{gathered} r^2=\frac{kq1q2}{F} \\ r=\sqrt{\frac{kq1q2}{F}} \end{gathered}[/tex]

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