13. The figure shows a particle of charge Q = -3e that is fixed at the origin and an electron that is moving along the x axis. At the instant when the separation is 2.00 m, what is the magnitude (m/s²) of the electron's acceleration? An electron has mass =9.11×
kg.

(A) 9.62 × 102
(B) 3.17 × 103
(C) 7.82 × 103
(D) 1.90 × 102
(E) 1.28 × 104
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統計: 尚無統計資料
統計: 尚無統計資料