College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 9 - Conceptual Questions - Page 359: 15


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Work Step by Step

(a) The two points A and B are at the same height. According to Bernoulli's principle, the difference in pressure is proportional to the square of the velocities at the two points . Since there is a difference of pressure between the two points, hence the velocities cannot be zero. (b) Fluid flows from high pressure to low pressure. If the pressure at C increases, then the fluid must flow from C to D which is at a lower pressure. But according to the question, the fluid is static. Thus this point contradicts the statement that the fluid is static
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