3. [Essay] A small sphere whose mass m is 1.0g carries a charge q=2.0x107c.It hangs in the earth's gravitational field from a silk thread that makes an angle 0=45º with a large uniformly charged non-conducting sheet as in Fig.. Calculate the uniform surface charge density o for the sheet.

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Q: A small sphere of mass m carries a charge of q. It hangs from a silk thread which makes an angle…

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