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For the purpose of measuring the electric resistance of

Physics for Scientists and Engineers with Modern Physics | 9th Edition | ISBN: 9781133954057 | Authors: Raymond A. Serway John W. Jewett ISBN: 9781133954057 230

Solution for problem 18 Chapter 28

Physics for Scientists and Engineers with Modern Physics | 9th Edition

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Physics for Scientists and Engineers with Modern Physics | 9th Edition | ISBN: 9781133954057 | Authors: Raymond A. Serway John W. Jewett

Physics for Scientists and Engineers with Modern Physics | 9th Edition

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Problem 18

For the purpose of measuring the electric resistance of shoes through the body of the wearer standing on a metal ground plate, the American National Standards Institute (ANSI) specifies the circuit shown in Figure P28.18. The potential difference DV across the 1.00-MV resistor is measured with an ideal voltmeter. (a) Show that the resistance of the footwear is Rshoes 5 50.0 V 2 DV DV (b) In a medical test, a current through the human body should not exceed 150 mA. Can the current delivered by the ANSI-specified circuit exceed 150 mA? To decide, consider a person standing barefoot on the ground plate.

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Personality Defined - The set of psychological traits and mechanisms within the individual that is organized and relatively enduring and influences interactions with, and adaptions to, the intrapsychic, physical, and social environment Definitions - Psychological Traits: Characteristics that describe the ways in which people are similar and different from each other • ‘Average’ tendencies of a person, across situations - Psychological mechanisms: Process by which a person turns information inputs into behavioral outputs • See someone charging you —> decision/rule process —> fight/run - Adaptation: heritable characteristics that exist because it solves ‘a problem’ • Being cooperative and agreeable with non-related others solves the problem of living and surviving in large groups Three Levels of Personality - Human nature • How we are ‘like others’ • Traits and mechanisms of personality that are typical of our species and possessed by nearly everyone - Individual and Group difference • How we are ‘like some others’ • Individual differences - ways each person is like some others • Group differences - ways people of one group differ from people in another group - Individual Uniqueness • How we are like no others Every individual has personal and unique qualities not shared by any other person in the • world • Individuals can be studied together using - Nomothetic strategies • Recruiting samples of participants on which to conduct research • Statistical methods used to learn more about universal characteristics - Ideographic stratagies • Study of a single person to identify general principles that are manifested in a single life over time A Fissure in the Field - Current state of field • Gap within personality psychology hasn't been bridged • Human nature level of analysis vs. analysis of group and individual differences - This translates to the gap between grand theories of personality and contemporary research in personality Grand theories of Personality - Attempt to provide universal account of the fundamental psychological process and characteristics of our species - Statement about universal core of human nature lie at the center of grand theories of personality, such as Freud’s psychoanalytic theory Contemporary Research in Personality - Most current research dresses ways in which individuals and grouper differ, not human universals • Study of ‘Individual Differences’ - Personality psychologists tend to be ‘narrow’ • Specializing in a particular domain, such as biological aspects of personality or how culture impacts personality Domains of Knowledge - One way to make sense of the vast amount of research in many different areas of personality is to appreciate that this research occurs along several domains of knowledge - Domain of knowledge — a specialty area of science and scholarship, where psychologists have focused on learning about specific and limited aspects of human nature - This specialization is reasonable, but we must strive to integrate diverse domains of knowledge to get the ‘big picture’ of personality - The six Domains • Dispositional - Deals with ways individuals differ from one another and cuts across all other domains - Focuses on number and nature of fundamental dispositions • ‘Trait’ theories of personality • Trait taxonomies differ greatly • Often statistically driven - Goal is to identify and measure the most important way people differ - Also interested in origin of individual differences and how they develop over time Biological • - Core assumption of biological approaches to personality is that humans are collections of biological system, and these systems provide building blocks for behavior, thought, and emotion - Behavioral genetics - Psychophysiology - Evolutionary personality • Intrapsychic - Deals with mental mechanisms of personality, many of which operate outside conscious awareness - Classic and modern versions of Freud’s theory, work on repression, denial, projection, and motives for power, achievement, and affiliation Cognitive-Experiential • - Focus on cognition and subject experience • Self and self-concept • Goals er set and strive to meet • Emotional experiences • Social and cultural - Assumption that personality affects, and is affected by, culture and social contexts - Much recent work on cultural differences between groups - Much work on differences within culture—how personality p;ays out in social spheres • Less work on way these difference differences - At human nature level, all humans have a common set of concerns that struggle they struggle with in the social sphere Adjustment • - Personality plays a key role in how we cope, adapt, and adjust to events in daily life - Personality linked with important health outcomes and problems in coping and adjustment Interim Summary - Six domains • Dispositional • Biological • Intrapsychic • Cognitive • Social/cultural • Adjustment - Although a certain domain may be more important in specific cases, a complete understandi of personality requires all 6

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Chapter 28, Problem 18 is Solved
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Textbook: Physics for Scientists and Engineers with Modern Physics
Edition: 9
Author: Raymond A. Serway John W. Jewett
ISBN: 9781133954057

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For the purpose of measuring the electric resistance of