9. A point charge q = 2.00C is located at the origin. Find the electric potential due to this charge at point x = 4.0 m. A. 1500 V B. 2500 V C. 3500 V D. 4500 V 10. Two protons in the nucleus of a 238U atom are 6.0 fm (6.0x10-15m) apart. What is the potential energy (in joules) associated with the electric force that acts between these two particles? A. 3.8x10-14 B. 4.5x10-15 D. 5.0x10-8 C. 5.0x10-9 11. Two point charges are arranged along the x-axis; q1=2.0 C is at x=0.80m, and q2=2.0 C at x-0.80m. The net electrical potential measured at the origin due to these point charges is B. 4500V A. zero . 22500V D. 45kV 12. Two like charges of charge +10 nC are placed at the two corners of an equilateral triangle of side 3 cm. What is the magnitude of the total potential at the third corner? A. 0 B. 600 V B. 6 V D. 6000 V