Please answer all questions. The image shows a small charge (qs = 25.0 nC) set a

Question

Please answer all questions. The image shows a small charge (qs = 25.0 nC) set at a distance r1 = 0.602 m from a larger charge. The electric potential (V1) at the location of qs is 0.0533 V.

Sapling Learning macmillan learning this question was written by Sean Cordry at Walters State Community College The image shows a small charge (s 25.0 nC) set at a distance r0.602 m from a larger charge. The electric potential (V1) at the location of qs is 0.0533 V. Answer the two questions below, using three significant figures. Part A: What is the value of the electric potential (V2) at the distance r2 0.301 m? Number P2 V2 Part B: If the small charge qs is moved along the path s from ri to r2, how much work (W) must be done to the charge qs? Number VV =

Explanation / Answer

V = Kq1q2 / r

0.0533 = 9*10^9*25*10^-9*q / 0.602

q = 1.426*10^-4 C

V at r2 = 0.301 m

V = 9*10^9*25*10^-9*1.426*10^-4 / 0.301 = 0.1066 V

W = V2 - V1 = 0.0533 J

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