Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 10 - Fluids - Misconceptual Questions: 9

Answer

Choice D.

Work Step by Step

Water is essentially incompressible. The speed of the water depends on the pipe’s diameter, as shown by the continuity equation (10-4). Bernoulli’s equation (10-5) shows us that the water pressure depends upon the speed, and also upon the change in elevation. We know that the height increases, but without more information about how the diameter changes and affects the water speed, we cannot predict what happens to the water pressure.
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