An infinite sheet of charge is located in the y-z plane at x = 0 and has uniform charge denisity σ1 = 0.25 μC/m2. Another infinite sheet of charge with uniform charge density σ2 = -0.42 μC/m2 is located at x = c = 36.0 cm.. An uncharged infinite conducting slab is placed halfway in between these sheets ( i.e., between x = 16.0 cm and x = 20.0 cm). 2) What is σa, the charge density on the surface of the conducting slab at x = 16.0 cm?

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