FIGURE 19-14 -Two Point Charges of Magnitudes + 5.00 μC, and

Multiple Choice

FIGURE 19-14
-Two point charges of magnitudes + 5.00 μC, and + 7.00 μC are placed along the x-axis at x = 0 cm and x = 100 cm, respectively. Where must a third charge be placed along the x-axis so that it does not experience any net force because of the other two charges?

A) 4.58 cm
B) 45.8 cm
C) 50 cm
D) 9.12 cm
E) 91.2 cm