### What potential difference between the plates

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##### Reference no: EM13104031

A small sphere with mass 2.60g hangs by a thread between two large parallel vertical plates 5.00cm apart. The plates are insulating and have uniform surface charge densities and . The charge on the sphere is = 8.70×10?6C . What potential difference between the plates will cause the thread to assume an angle of 30.0 with the vertical?

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