An Electron Is Fired Through the Space Between Two Oppositely

An electron is fired through the space between two oppositely charged, parallel plates. The plates form a 2.00 cm long region with an electric field of 4000 N/C perpendicular to the electron's initial velocity. If the initial speed of the electron is 1.00 × 10⁷ m/s, how long does it take to traverse the plates?

A) 2.00 µs
B) 2.00 ns
C) 1.70 ns
D) 1.80 ns
E) 1.50 µs

Correct Answer:

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