A particle with charge 6 C is located on the x-axis at the point 6 cm , and a second particle with charge 9 C is placed on the x-axis at 10 cm What

A particle with charge −6 µC is located on the x-axis at the point −6 cm , and a second particle with charge 9 µC is placed on the x-axis at −10 cm What is the magnitude of the total electrostatic force on a third particle with charge4 µC placed on the x-axis at −2 cm ? TheCoulomb constant is 8.9875 × 109 N · m2/C2. Answer in N.