Four parallel plates are connected together in a vacuum. An electron is placed at hole A, where it will accelerate from hole A to B, then move at constant velocity from B to C, and then decelerate between C and D (as shown). 6cm 6cm 00 7000 V 400 V a. Calculate the speed of the electron at hole B. b. Calculate the distance from plate D to the point at which the electron comes to a stop (between C and D). (*Hint: F = ma and kinematic equations are fair game.)
Four parallel plates are connected together in a vacuum. An electron is placed at hole A, where it will accelerate from hole A to B, then move at constant velocity from B to C, and then decelerate between C and D (as shown). 6cm 6cm 00 7000 V 400 V a. Calculate the speed of the electron at hole B. b. Calculate the distance from plate D to the point at which the electron comes to a stop (between C and D). (*Hint: F = ma and kinematic equations are fair game.)
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Transcribed Image Text:2. Four parallel plates are connected together in a vacuum. An electron is placed at hole A,
where it will accelerate from hole A to B, then move at constant velocity from B to C, and
then decelerate between C and D (as shown).
6cm
6cm
400 V
a. Calculate the speed of the electron at hole B.
b. Calculate the distance from plate D to the point at which the electron comes to a stop
(between C and D). (*Hint: F = ma and kinematic equations are fair game.)
7000 V
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