College Physics
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Consider an initial system of three charges shown in (Figure 1). An object with charge q4 = + 8.0×10−8C will be moved to position C from infinity (not shown in the figure). q1 = q2 = q3 = +10.0×10−8C.
A. Determine the initial electric potential energy of the system consisting of all four charges, with q4 at infinity.
B.Determine the final electric potential energy of the system consisting of all four charges, with q4 at position C
C. Determine the work done on the system by moving the charge q4 from infinity to point C.
D. Determine the work done on the system by moving the charge q4 from infinity to point C, but for q1 = q3 = -10.0×10−9C10.0×10−9C and q2 = +10.0×10−9C10.0×10−9C.
Transcribed Image Text:+9₁
20.0 cm
92 ++20.0 cm → C
20.0 cm
+93
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