Charge density of sheet essential for this to occur

Reference no: EM13657763

Small charged sphere, mass m = 1.2 x 10^-4 kg and charge q = 3.2 nC is suspended (floating) a very small distance above a very large sheet charge due to electrostatic forces. What is the charge density (charge per area) of the sheet essential for this to occur?

Reference no: EM13657763

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