Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter39: Relativity
Section: Chapter Questions
Problem 39.3P: The speed of the Earth in its orbit is 29.8 km/s. If that is the magnitude of the velocity v of the...
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Question
19.5
Figure a is a diagram of a device called a velocity selector, in which particles of a specific velocity pass through undeflected while those with greater or lesser velocities are deflected either upwards or downwards. An electric field is directed perpendicular to a magnetic field, producing an electric force and a magnetic force on the charged particle that can be equal in magnitude and opposite in direction (see Figure b) and hence cancel. Show that particles with a speed of
v = E/B
will pass through the velocity selector undeflected. (Submit a file with a maximum size of 1 MB.)
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