In a cathode ray tube, electrons are accelerated from rest by a constant electric force of mag
Question:
In a cathode ray tube, electrons are accelerated from rest by a constant electric force of mag nitude 6.4 × 10−17 N during the first 2.0 cm of the tube's length; then they move at essentially constant velocity another 45 cm before hitting the screen.
(a) Find the speed of the electrons when they hit the screen.
(b) How long does it take them to travel the length of the tube?
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Related Book For
College Physics With An Integrated Approach To Forces And Kinematics
ISBN: 978-1260547719
5th Edition
Authors: Alan Giambattista
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