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Consider a system of three charges shown in (Figure 1). An object with charge q4 =...

Consider a system of three charges shown in (Figure 1). An object with charge q4 = +7.0×10−9C is moved to position C from infinity (not shown in the figure). q1 = q2 = q3 = +10.0×10−8C. Determine the work done on the system by moving the charge q4 from infinity to point C, but for

q1 = q3 = -10.0×10−9C and q2 = +10.0×10−9C.

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The work done on system

The potential at point c V = V1 + V + V3 Vc = kartk92 + K93_ -nr 83 Ve= 910X(-10X16)_79X10%(10x16) +9xjö (-1080) - 6.20m 0:20

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