Conceptual Physics (12th Edition)

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

Chapter 35 - Think and Explain: 76

Answer

The stick will appear to be 0.5 meters long.

Work Step by Step

It has momentum equal to 2 mv. Its speed must be 0.866c, so that $\gamma = 2$. This means that its length is contracted along its direction of motion by a factor of two.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.