Recent content by yasemonkey

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    Oil Drop Electric Field Problem

    Oh I have to square root k x r^2 !
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    Oil Drop Electric Field Problem

    hmm... okay and I'm right in saying k= 9 x 10^9
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    Oil Drop Electric Field Problem

    Homework Statement An oil drop is charged negatively. How much charge is on the drop if the Electric Field is 6,400 N/C at a distance of 1.2 m? Homework Equations E=k q/r^2 I don't know if I should be using that equation for this one. The Attempt at a Solution I tried to do E/(k x r^2) = q...