Explanation Refer to Figure P12.110 in the given question. The shaded area represents the complete breath of the person. In the pressure-volume diagram, the energy requirement is equal to the area of the curve in the given graph. For energy calculation, area of the curve (which is in leaf structure) need to be calculated. In leaf structure, area can be calculated by segmenting the rectangles in it. Refer to the Figure 1, which segments the rectangle shapes in the curve. There are 8 complete rectangles which are represented in slanting lines. The numbering 9 and 9 ′ together forms one rectangle, similarly 10 and 1 0 ′ , 11 and 1 1 ′ , 12 and 1 2 ′ , 13 and 1 3 ′ , 14 and 1 4 ′ , and 15 and 1 5 ′ individually forms separate rectangles. So a, the curve includes 15 rectangles. Formula to calculate the area of one rectangle is, A = Length × Breadth = l × b (1) Refer the respective values in the given graph. Substitute 2 × 10 3 Pa for l , and 0.5 × 10 − 3 m 3 for b in equation (1) to find A . A = ( 2 × 10 3 Pa ) × ( 0

College Physics: A Strategic Approach (4th Edition)

4th Edition

ISBN: 9780134704180

Author: Knight

Publisher: PEARSON

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Chapter 12, Problem 111MSPP

To determine

The energy required for one complete breath of the person.

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Chapter 12, Problem 110MSPP

Chapter 12, Problem 112MSPP

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Chapter 12 Solutions

College Physics: A Strategic Approach (4th Edition)

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