An electron that has a horizontal initial speed of 450e6 ms, Ask an Expert

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An electron that has a horizontal initial speed of 4.50E6 m/s enters a region that has an electric field of 120 V/m pointing vertically upward.

(a) How long does the electron take to travel 18 cm in the horizontal direction?

(b) In this same time, what is the vertical displacement of the electron? Treat up as positive.

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