Explanation Formula used: Write the expression for pressure ( p ) . p = ρ g h (1) Here ρ is density, g is gravity, which is 9.80 m s 2 , and h is height. Modify equation (1). p ∝ h Here, ρ is constant since type of material is same and g is constant for all on earth. The value of pressure varies with the varying height. The increase in height causes high pressure whereas the reduction in height causes the decreased or low pressure. From Figure Q13.28, the height is highest at point 2 and lowest at point 3 and hence the order of height from largest to smallest is point 2, 1, and 3. The pressure is proportional to the height. Hence, the highest pressure is located at point 2 and smallest pressure is at point 3. p 2 > p 1 > p 3 Here, p 1 is pressure at point 1, p 2 is pressure at point 2, and p 3 is pressure at point 3

College Physics: A Strategic Approach (3rd Edition)

3rd Edition

ISBN: 9780321879721

Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher: PEARSON

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Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.

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Chapter 13, Problem 28CQ

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To rank: The order of flow speeds v1 to v2 at points 1, 2, and 3 from largest to smallest.

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Chapter 13, Problem 27CQ

Chapter 13, Problem 29CQ

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Chapter 13 Solutions

College Physics: A Strategic Approach (3rd Edition)

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To rank : The order of flow speeds v 1 to v 2 at points 1, 2, and 3 from largest to smallest.

Solution Summary: The author explains the value of pressure varies with the varying height. The highest and smallest pressures are located at points 2 and 3.

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To rank: The order of flow speeds v1 to v2 at points 1, 2, and 3 from largest to smallest.

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Chapter 13 Solutions