Question: An electric field in free space is E = (5z 2 / 0 ) a z V/m. Find the total charge contained within a cube,

An electric field in free space is E = (5z²/∈₀) â_z V/m. Find the total charge contained within a cube, centered at the origin, of 4-m side length, in which all sides are parallel to coordinate axes (and therefore each side intersects an axis at ±2).

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