A charge is placed at and an unknown charge is placed at

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

A +6.0 μC+6.0\,\mu\text{C} charge is placed at (0,0)(0,0) and an unknown charge qq is placed at (0.20 m,0)(0.20\,\text{m},0). If the net electric field at point (0.10 m,0.15 m)(0.10\,\text{m},0.15\,\text{m}) has zero yy-component, determine qq. (a) +6.0 μC+6.0\,\mu\text{C} (b) −3.0 μC-3.0\,\mu\text{C} (c) −6.0 μC-6.0\,\mu\text{C} (d) −9.0 μC-9.0\,\mu\text{C}

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