1g is released from rest at point A. q, and q2 are fixed JA charged particle q3 with mass m = at their positions. Calculate the speed of q3 at infinity. (q1 = –1µC, q2 = +2µC,q3 = +3µC) 91 92 93 2m 1m A

2. Check if the following electric potential is a solution of the Laplace Equation by direct substitution (2 points; Vo, V₁, R are constants). V(r, 0) = 3 Vo R r 5 V₁ R² + r2 cos (0)

QUESTION 7 A point charge, q = -8.0 µC, moves for a distance of 80 cm at an angle of 900 relative to the direction of a uniform electric field of strength 500 N/C. What is the magnitude of the change in potential energy for the charge? а. 12.8 mJ b. 3.2 mJ С. 6.4 mJ d. 0.00 mJ е. 9.6 mJ

Lned weu/ student/Assignment-Responses/submit?dep=27380743&tags=autosave#Q5 15.0 V 10.0 V 30.0 V 35.0 V 45.0 V D 20.0 V 25.0 V Find the work W.n in electron volts done by the electric force on a proton that moves from point A to point B. Similarly, find Wac Wan, and WAE: (Assume the proton starts and stops at rest. Enter your answers AB in ev.) HINT (a) W AB The work done by any conservative force can be related to the change in an associated potential energy: W = -APE. eV (b) WAC 25 X ev (c) WAD 45 x ev (d) WAr 45 Xev 2:17 PM P Type here to search (? 9/13/2021