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Answer: The atmospheric density at an altitude of 2500 km

Fundamentals of Physics Extended | 9th Edition | ISBN: 9780470469088 | Authors: David Halliday ISBN: 9780470469088 189

Solution for problem 29 Chapter 19

Fundamentals of Physics Extended | 9th Edition

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Fundamentals of Physics Extended | 9th Edition | ISBN: 9780470469088 | Authors: David Halliday

Fundamentals of Physics Extended | 9th Edition

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Problem 29

The atmospheric density at an altitude of 2500 km is about 1 molecule!cm3 . (a) Assuming the molecular diameter of 2.0 X 10-8 cm, find the mean free path predicted by Eq. 19-25. (b) Explain whether the predicted value is meaningful.

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Gender in the Economy Week 11 Socially Imposed Altruism  Men as a group stand to gain by encouraging women’s caring behavior  Men have had more economic power than women (for the most part throughout history)  Socially imposed altruism: gender based system of coercive socialization o Social imposition through gendered social norms of family obligation o Social norms assign women greater responsibility for care  Men have socially imposed norms too o Social norm to be breadwinner and be financially independent Altruism  Levels of altruism might be the same between men and women, but the expressions of it differ  Altruism: disinterested and selfless concern for the well-being of others  In certain societies maternal altruism seems to be stronger than paternal altruism (strong patriarchy societies)  Why o Sociobiology: greater biological investments in each child made by females o But women are also more likely to care for elderly and inform so biology can’t be the only reason  Societies develop coercive rules that make it difficult for women not to specialize in care Cultural Bargains  Caregivers can be “held hostage” by care  Caregivers have a hard time threatening to stop working  There is a threat/fear that if women don’t provide care, no one will  Cultural bargain: maybe masculinity can be redefined in more caring terms De-gendering Care  De-gendering care requires questioning social norms of masculinity  Stereotypes are resistant to change when they benefit those with the power to defend them  To help reduce gender inequality, encourage male participation in care  But care is costly in terms of lowering market income o Explains why men would be reluctant to take on caring roles Reproducing Gender  Gender roles o Destabilized by fertility decline and increase in female LFPR o Reinforced by occupational segregation in the labor force  Occupational segregation o Caring occupations: most conspicuous are teaching and nursing o Women are overrepresented in these occupations Gender Norms and the Marriage Market  Marriages tend to be between people of similar class, race, and education level  Choice of partner o Men might have the incentive to marry a high earner, but might also worry about marrying a partner with more bargaining power who will not take all of the household responsibilities  Occupational choice can have impacts on the marriage market o There might be penalties for women in non-traditionally feminine occupations  Men in search of long term relationships tend to prefer women in subordinate jobs  “Powerful women” are at a disadvantage in the marriage market Tough Guise Documentary Notes  News commentators tend to genderize violent or criminal acts  We see violence against women as a women’s issue, we focus on the victim and what to do for them  When women or colored men commit crime their gender/race becomes the story  We associate gender with women  We tend to ignore the “majority group” (heterosexual, white men)  Biology arguments tend to make people think that men are naturally violent  Violence is taught, not learned  Violence is used to establish respect and masculinity and is used as a first resort Gender in the Economy Week 11 Socially Imposed Altruism  Men as a group stand to gain by encouraging women’s caring behavior  Men have had more economic power than women (for the most part throughout history)  Socially imposed altruism: gender based system of coercive socialization o Social imposition through gendered social norms of family obligation o Social norms assign women greater responsibility for care  Men have socially imposed norms too o Social norm to be breadwinner and be financially independent Altruism  Levels of altruism might be the same between men and women, but the expressions of it differ  Altruism: disinterested and selfless concern for the well-being of others  In certain societies maternal altruism seems to be stronger than paternal altruism (strong patriarchy societies)  Why o Sociobiology: greater biological investments in each child made by females o But women are also more likely to care for elderly and inform so biology can’t be the only reason  Societies develop coercive rules that make it difficult for women not to specialize in care Cultural Bargains  Caregivers can be “held hostage” by care  Caregivers have a hard time threatening to stop working  There is a threat/fear that if women don’t provide care, no one will  Cultural bargain: maybe masculinity can be redefined in more caring terms De-gendering Care  De-gendering care requires questioning social norms of masculinity  Stereotypes are resistant to change when they benefit those with the power to defend them  To help reduce gender inequality, encourage male participation in care  But care is costly in terms of lowering market income o Explains why men would be reluctant to take on caring roles Reproducing Gender  Gender roles o Destabilized by fertility decline and increase in female LFPR o Reinforced by occupational segregation in the labor force  Occupational segregation o Caring occupations: most conspicuous are teaching and nursing o Women are overrepresented in these occupations Gender Norms and the Marriage Market  Marriages tend to be between people of similar class, race, and education level  Choice of partner o Men might have the incentive to marry a high earner, but might also worry about marrying a partner with more bargaining power who will not take all of the household responsibilities  Occupational choice can have impacts on the marriage market o There might be penalties for women in non-traditionally feminine occupations  Men in search of long term relationships tend to prefer women in subordinate jobs  “Powerful women” are at a disadvantage in the marriage market Tough Guise Documentary Notes  News commentators tend to genderize violent or criminal acts  We see violence against women as a women’s issue, we focus on the victim and what to do for them  When women or colored men commit crime their gender/race becomes the story  We associate gender with women  We tend to ignore the “majority group” (heterosexual, white men)  Biology arguments tend to make people think that men are naturally violent  Violence is taught, not learned  Violence is used to establish respect and masculinity and is used as a first resort

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Chapter 19, Problem 29 is Solved
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Textbook: Fundamentals of Physics Extended
Edition: 9
Author: David Halliday
ISBN: 9780470469088

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Answer: The atmospheric density at an altitude of 2500 km