Question: 2. A point charge ql=4.00nC is placed at the origin, and a second point charge qz=- 3.00nC is placed on the x-axis at x=+20.O

2. A point charge ql=4.00nC is placed at the origin, and a

2. A point charge ql=4.00nC is placed at the origin, and a second point charge qz=- 3.00nC is placed on the x-axis at x=+20.O cm. A third point charge cp=2.OOnC is to be placed on the x-axis between qi and q2. Let the potential energy of the three charges be zero when they are infinitely far apart. a) what is the potential energy of the system of the three charges if qa is placed at x=+10.Ocm? b) where should be placed to make the potential energy of the system equal to zero?

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