PDF w/o expl A particle with charge -4 /C is located on the r-axis at the point 6 cm , and a second particle with charge -2 #C is placed on the T-axis at 8 cm . 4 HC C 0 -2 UC 9 O- -10-8 -6 -4 -2 2 4 6 8 10 (cm) What is the magnitude of the total elec- trostatic force on a third particle with charge 9 HC placed on the r-axis at -2 cm ? The Coulomb constant is 8.9875 x 109 N . m2/C2. Answer in units of N. @ 20 Quest Learning & Assessm