Part B & Part C please! Exercise 23.17 Point charges q1 +2.00 C and q -_ 2.00 C

Question

Part B & Part C please! Exercise 23.17 Point charges q1 +2.00 C and q -_ 2.00 C are placed at adjacent corners of a square for which the length of each side is 4.00 cm. Point a is at the center of the square, and point b is at the empty corner closest to q2. Take the electric potential to be zero at a distance far from both charges. Part B What is the electric potential at point b Express your answer with the appropriate units. Vi=1-175 V SubmitG Give Up Incorrect; Try Again; 4 attempts remaining Part C A point charge 9,--5.00 C moves from point a to point b. How much work is done on 9s by the electric forces exerted by anda Express your answer with the appropriate units. WValue Units SubmitG Give Up

Explanation / Answer

(B) Vb = k q1 / sqrt(0.04^2 + 0.04^2) + k q2 / 0.04

Vb = (9 x 10^9 x 2 x 10^-6)(1/0.0566 - 1/0.04)

Vb = - 1.32 x 10^5 Volt

(C) W = - q deltav

W = - (-5 x 10^-6) (-1.32 x 10^5 - 0 )

W = - 0.659 J

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