For the image below, which values for the charges on the two pith balls could be correct? q1 = +3.7 × 10−6 C; q2 = +3.7 × 10−6 C
q1 = −4.0 × 10−6 C; q2 = +3.5 × 10−6 C
q1 = −4.0 × 10−6 C; q2 = −3.5× 10−6 C
q1 = +3.7 × 10−6 C; q2 = 0.0 × 10−6 C