February 20, 2017

Homework Help: Physics

Posted by Jc on Wednesday, February 22, 2012 at 7:02pm.

a small sphere whose m mass is 1.0 mg carries a charge q of 2.0*10^(-8)C. It hangs from a silk thread that makes an angle of 30
degrees with a large charged nonconducting sheet as in figure. Calculate the uniform charge density σ for the sheet

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