In the figure, an electron is shot with an initial speed of 1400 m/s from plate A to plate B, where it arrives with a speed of 700 m/s. The plate separation is d = 0.0500 m. What is the magnitude (N/C) of the electric field between the two plates, which is perpendicular to the plates? An electron has mass 9.11 × 10-31 kg. Plate A Plate B

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