A 40-μC Charge Is Positioned on the X Axis at X

Multiple Choice

A 40-μC charge is positioned on the x axis at x = 4.0 cm. Where should a −60-μC charge be placed to produce a net electric field of zero at the origin?

A) −5.3 cm
B) 5.7 cm
C) 4.9 cm
D) −6.0 cm
E) +6.0 cm