Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 15 - Exercises and Problems - Page 280: 32


a) It will sink. b) It will float.

Work Step by Step

We must find the density of the drum: $\rho =\frac{m}{V}= \frac{16}{.23} = 69.6$ With water in it, the overall density will be above that of water, so it will sink. However, with gasoline in it, the density will be: $ 69.6+860=929.6$. This is less than the density of water, so it will float when filled with gasoline.
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