P22_013 - q that maximizes the function f ( q ) = q ( Q −...

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13. The magnitude of the force of either of the charges on the other is given by F = 1 4 πε 0 q ( Q q ) r 2 where r is the distance between the charges. We want the value of
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Unformatted text preview: q that maximizes the function f ( q ) = q ( Q − q ). Setting the derivative df/dq equal to zero leads to Q − 2 q = 0, or q = Q/ 2....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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