University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 40 - Quantum Mechanics I: Wave Functions - Problems - Discussion Questions - Page 1353: Q40.5

Answer

No. Yes.

Work Step by Step

A particle in a stationary state has a definite energy, so a particle moving with a constant momentum $\vec p$ and energy E is in a stationary state. Clearly, this particle is moving. The word "stationary" refers to the probability distribution function, not to the particle.
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