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Small sphere hanging from thread near charged sheet

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A small sphere with a mass of 2.00×10^-3 g and carrying a charge of 4.80×10^ -8 C hangs from a thread near a very large, charged conducting sheet, as shown in the figure (see the attachment). The charge density on the sheet is −2.40×10^(-9) C/(m^2) .

Find the angle of the thread.

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Find the angle of the thread.
A small sphere with a mass of 2.00×10−3 g and carrying a charge of 4.80×10−8 C hangs from a thread near a very ...

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