A fixed +2.0 mC charge is located at the origin,and a fixed -5.0 mC charge is located at x = 1.0 m.Where could a +7.0 mC charge be placed so that the net force on it is zero?
A)-1.7 m
B)-0.67 m
C)-0.39 m
D)+0.39 m
E)+0.67 m

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The Answer of A fixed +2.0 mC charge is located at the origin,and a fixed -5.0 mC charge is located at x = 1.0 m.Where could a +7.0 mC charge be placed so that the net force on it is zero?
A)-1.7 m
B)-0.67 m
C)-0.39 m
D)+0.39 m
E)+0.67 m

A Fixed +2