Part A
A very long uniform line of charge with charge per unit length \( \lambda=+5.00 \mu \mathrm{C} / \mathrm{m} \) lies along the \( x \)-axis, with its midpoint at the origin. A very large uniform sheet of charge is parallel to the \( x y \)-plane; the center of the sheet is at \( z=+0.600 \mathrm{~m} \). The sheet has charge per unit area \( \sigma=+8.00 \mu \mathrm{C} / \mathrm{m}^{2} \), and the center of the sheet is at \( x=0, y=0 \). Point \( A \) is on the \( z \)-axis at \( z=+0.300 \mathrm{~m} \), and point \( B \) is on the \( z \)-axis at \( z=-0.200 \mathrm{~m} \).
What is the potential difference \( V_{A B}=V_{A}-V_{B} \) between points \( A \) and \( B \) ?
Express your answer to three significant figures and include the appropriate units.
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