0.0500 m 0.0500 m/ Two point charges q = 2.40 nC and q2 = -6.80 nC are 0.100 m apart. Point A is midway between them; point B is 0.0800 m from g, and 0.0600 m from g2 (Figure 1). Take the electric potential to be zero at infinity. Part B For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Potential and potential energy. Find the potential at point B. Express your answer in volts. VB = -749 V Submit Previous Answers v Correct VB = 92 VR = (8.988 x 10° N. m2/C4)0800 m 2.40 nC -6.80 nC 0.0600 m = -749 V Part C Find the work done by the electric field on a charge of 3.00 nC that travels from point B to point A. Figure < 1 of 1 Express your answer in joules. V AZ 画] ? В W = J Submit Previous Answers Request Answer 0.080 m X Incorrect; Try Again; 7 attempts remaining 0.050 m→*0.050 m→ 91 92 -0.060 m

0.0500 m 0.0500 m/ Two point charges q = 2.40 nC and q2 = -6.80 nC are 0.100 m apart. Point A is midway between them; point B is 0.0800 m from g, and 0.0600 m from g2 (Figure 1). Take the electric potential to be zero at infinity. Part B For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Potential and potential energy. Find the potential at point B. Express your answer in volts. VB = -749 V Submit Previous Answers v Correct VB = 92 VR = (8.988 x 10° N. m2/C4)0800 m 2.40 nC -6.80 nC 0.0600 m = -749 V Part C Find the work done by the electric field on a charge of 3.00 nC that travels from point B to point A. Figure < 1 of 1 Express your answer in joules. V AZ 画] ? В W = J Submit Previous Answers Request Answer 0.080 m X Incorrect; Try Again; 7 attempts remaining 0.050 m→*0.050 m→ 91 92 -0.060 m