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(3-15) An electron is released from rest at a distance of 0.530 m from a large...

(3-15) An electron is released from rest at a distance of 0.530 m from a large insulating sheet of charge that has uniform surface charge density 3.00×10?12 C/m2 .

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 7.00×10?2 m from the sheet?

Express your answer to three significant figures and include the appropriate units.

B-)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 7.00×10?2 m from the sheet?

Express your answer to three significant figures and include the appropriate units.

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