(10%) Problem 10: Charge q1 = 1 nC is located at the coordinate system origin, while charge 92 = 1.76 nC is located at (a, 0), where a = 1.3 m. The point P has coordinates (a, b), where b = 0.55 m. A third charge q3 = 17.5 nC will be placed later. (a, b) X Otheexpertta.com A 33% Part (a) Find the electric potential Vp at point P, in volts. Assume the potential is zero at infinity. Grade Summary VP = Deductions 0% Potential 100% sin() cos tan() JT 7 8 9 HOME Submissions Attempts remaining: 10 cotan() asin() acos() LA 4 5 6 (0% per attempt) detailed view atan() acotan() sinh() 2 3 cosh() tanhC cotanh() + O END Degrees Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. 4 33% Part (b) How much work W, in joules, would you have to do to bring the third charge, q3, from very far away to the point P? A 33% Part (c) What is the total potential energy U, in joules, of the final configuration of three charges?(10%) Problem 2: Consider two points in an electric eld, The potential at point 1, V1, is 39 V. The potential at point 2, V2, is 156 V. An electron at rest at point 1 is accelerated by the electric eld to point 2, E g? 25% Part (a) Write an equation for the change of electric potential energy AU of the electron in terms of the symbols given. AU=- e(V2-V1) If Correct! 6 g? 25% Part (b) Find the numerical value of the change of the electric potential energy in electron volts (eV). AU=_ 117 AU=-117 I/ Correct! E