Conceptual Physics (12th Edition)

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

Chapter 19 - Think and Explain: 71

Answer

The speed of light is about 300,000,000 m/s, about a million times faster than the speed of sound in air (roughly 340 m/s). Therefore, lightning is seen before thunder is heard.
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.