Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 22 - Think and Explain: 82

Answer

The electron will be accelerated much faster than the proton.

Work Step by Step

Consider Newton's second law, F = ma, to analyze the magnitudes of the accelerations. The proton is about the electron, and be in the direction of the electric field. How much less? Since the mass of the proton is about 1800 times greater than the mass of the electron, its acceleration will be about 1/1800 that of the electron.
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