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In: Physics

A flat square sheet of thin aluminum foil, 30 cm on a side, carries a uniformly...

A flat square sheet of thin aluminum foil, 30 cm on a side, carries a uniformly distributed 285 nC charge.

Part A What, approximately, is the electric field 1.0 cm above the center of the sheet? Express your answer using two significant figures.

What, approximately, is the electric field 20 mm above the center of the sheet? Express your answer using two significant figures.

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