Use k = 9.00 ∙ 109 Nm2 /C2- Pay attention to unit conversions. 1. A positive point-like charge of +20 nC is placed 3.0 cm away from an infinite planar sheet of negative charge. The surface charge density of the sheet is constant and has the value of - 0.10 nC/cm2 . a) Calculate and show the direction of the electric force exerted on the point charge. b) Find the two locations where the electric field is zero, that is the locations where the field of the sheet is canceled by the field of the point charge

Use k = 9.00 ∙ 109 Nm2 /C2- Pay attention to unit conversions. 1. A positive point-like charge of +20 nC is placed 3.0 cm away from an infinite planar sheet of negative charge. The surface charge density of the sheet is constant and has the value of - 0.10 nC/cm2 . a) Calculate and show the direction of the electric force exerted on the point charge. b) Find the two locations where the electric field is zero, that is the locations where the field of the sheet is canceled by the field of the point charge

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