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OpenStudy (anonymous):
The electric field strength E at a distance r from a point charge Q may be written as: E = k Q r² What is the value for k?
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OpenStudy (anonymous):
\[k=8.99 \times 10^{9}N \times m/C ^{2}\]
OpenStudy (anonymous):
Oops a mistake \[k=8.99 \times 10^{9}N \times m ^{2}/C ^{2}\]
OpenStudy (stormfire1):
Well, close enough...who needs units anyway :P
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