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July 28, 2014

July 28, 2014

Posted by **confused** on Tuesday, February 7, 2012 at 8:55pm.

how do i calculate k?

- physics -
**drwls**, Wednesday, February 8, 2012 at 3:23amk is the Coulomb's-law constant, which appears in the formula you need to use, you look it up. It is a constant of nature.

(a) there is no E-field indide the conductor. The potential there is the value at the surface, which equals

-kQ/R

where R is the sphere radius, 0.14 m, and Q is the charge on the sphere.

(b) and (c): Your turn

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