5. A proton and an electron are in a uniform electric field withmagnitude 45 V/C. Which particle has the larger magnitudeacceleration, and what is the magnitude of the acceleration? (e =1.6×10−19 C, mp = 1.67×10−27 kg, me = 9.11×10−31 kg) A. theelectron, 7.9×1012 m/s2 B. the proton, 4.3×1013 m/s2 C. the proton,4.3×109 m/s2 D. the electron, 7.9×108 m/s2 E. the electron,7.9×1010 m/s2
6. A +2q point charge is located at the origin (x = 0), and a–3q charge is at x = +d. What is the magnitude of the electricfield at x = +2d ? Assume 1 4π0 = k. A. 7kq 2d2 B. 5kq 2d2 C. 4kqd2 D. 3kq 2d2 E. 5kq d2
