A point charge is fixed in place

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

Problem

A point charge

q_{2}=-2.0\,\mu\text{C}

is fixed in place. A second charge

q_{1}

is positioned

0.12\,\text{m}

away so that the electric potential energy of the pair is

-1.0\,\text{J}

. Determine the magnitude and sign of

q_{1}