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\fDetermine the initial electric potential energy of the system consisting of all four charges, with q, at infinity Consider an initial system of three charges shown in (Figure 1). An object with charge Express your answer with the appropriate units, to two significant figures. 94 -+ 7.0 x 10 . C will be moved to position C from Infinity (not shown in the figure). 71 =4 4) =+10.0 x 10 ' C. HLA 0 0 ? Value Units Submit Request Answer Part B Determine the final electric potential energy of the system consisting of all four charges, win g ar position C Express your answer with the appropriate units, to two significant figures, Figure 12 0 2 7 Value Units 20.0 cm Submit Bequent Answer 41 (+)-20.0 cm - C