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Physics 19 Online
OpenStudy (anonymous):

An electric field measured near a point charge of 3.00 x 10^-6 has a strength of 1.50 x 10^5 N/C. How far is the point from the source charge?

OpenStudy (irishboy123):

work this: \[E = \dfrac{k ~Q}{r^2}\] [k = Coulumb's constant.]

OpenStudy (anonymous):

Oops, I'd already got the answer xD I should've closed this, haha Thank you anyway! (:

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