阿摩線上測驗
52. Three point charges align along the x-axis as shown in the figure. What is the equilibrium position x of the charge q2. (The electrical constant is ke).
(A) 0.45 m
(B) 0.62 m
(C) 0.36 m
(D) 0.78 m
(E) 0.59 m
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統計： A(2), B(12), C(2), D(2), E(31) #2751667
統計： A(2), B(12), C(2), D(2), E(31) #2751667
