008 (part 1 of 2) 10.0 points Three charges are arranged in the (a, y) plane as shown. y (m) 0 -7 nC DHNWACID 100 0 0 18 nc 2nC 0 1 2 3 4 5 6 7 8 9 10 (m) What is the magnitude of the resulting force (in nano-Newtons) on the 8 nC charge at the origin? The Coulomb constant is 8.98755 x 109 N . m?/C2. 1. 1.55637 2. 0.648102 3. 6.35516 4. 3.1496 5. 30.2549 6. 2.68359 7. 11.9039 8. 7.45647 9. 11.7724 10. 6.29064 Answer in units of nN.009 (part 2 of 2) 10.0 points What angle does the resultant force on the 8 nC charge at the origin make with the pos- itive ar axis? Quadrant I lies between 0 and 90, quadrant II between between 90 and 180, etc. 1. 326.31 2. 48.3665 3. 337.797 4. 52.7879 5. 130.601 6. 294.057 7. 322.001 8. 113.629 9. 119.249 10. 200.556