A 10V battery is connected to two parallel metal plates placed in a vacuum. An electron is accelerated from rest to the negative plate toward the positive plate. (A) What kinetic energy does the electron have just as it reaches the positive plate?

A 10V battery is connected to two parallel metal plates placed in a vacuum. An electron is accelerated from rest to the negative plate toward the positive plate. (A) What kinetic energy does the electron have just as it reaches the positive plate?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

Question

A 10V battery is connected to
two parallel metal plates
placed in a vacuum. An
electron is accelerated from
rest to the negative plate
toward the positive plate. (A)
What kinetic energy does the
electron have just as it
reaches the positive plate?
(B) What is the speed of the
electron as it reaches the
plate?

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