An electron is released from rest at a distance of 0.450 m from a large insulating sheet of charge that has uniform surf

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An electron is released from rest at a distance of 0.450 m from a large insulating sheet of charge that has uniform surface charge density 3.20x10-12 C/m². 2
Part A How much work is done on the electron by the electric field of the sheet as the electron moves from its initial position to a point 5.00x10-2 m from the sheet? Express your answer to three significant figures and include the appropriate units. ? НА W = Value Units
Part B What is the speed of the electron when it is 5.00x10-2 m from the sheet? Express your answer to three significant figures and include the appropriate units. "НА ? 2 = Value Units