An infinite, nonconducting sheet has a surface charge density a- +5.85 pC/m?. (a) How much work is done by the electric field due to the sheet if a particle of charge go=6.41 x 101° Cis moved from the sheet to a point Pat distanced- 2.81 cm from the sheet? (b) If the electric potential Vis defined to be zera on the sheet, what is Vat P? (a) Number Units (b) Number Units

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