Conceptual Physics (12th Edition)

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

Chapter 13 - Reading Check Questions (Comprehension): 18

Answer

$$Density = \frac{mass}{volume}$$ Density is controlled in a fish by controlling its volume. It expands or contracts an air sac in its body. In a submarine, density is controlled by varying its mass. It can take in or expel water from its ballast tanks.

Work Step by Step

These statements are on page 252.
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.