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University Physics, Volume 3 | 17th Edition | ISBN: 9781938168185 | Authors: Samuel J. Ling ISBN: 9781938168185 2032

Solution for problem 84 Chapter 11

University Physics, Volume 3 | 17th Edition

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University Physics, Volume 3 | 17th Edition | ISBN: 9781938168185 | Authors: Samuel J. Ling

University Physics, Volume 3 | 17th Edition

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Problem 84

(a) What is the approximate force of gravity on a 70-kg person due to the Andromeda Galaxy, assuming its total mass is \(10^{13}\) that of our Sun and acts like a single mass 0.613 Mpc away? (b) What is the ratio of this force to the person’s weight? Note that Andromeda is the closest large galaxy.

Text Transcription:

10^13

Step-by-Step Solution:
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● Ch 11 ○ Magnetic field lines ■ Sun's magnetic field affects the structure of the atmosphere ■ Solar wind ● Charged particles flowing away from sun through coronal holes ○ Solar wind streams ■ Coronal material flows along the magnetic field away from the sun ■ Extends about 100 AU ■ Voyager 1 spacecraft is traveling across boundary ● 40yrs ● Solar activity ○ Sun spots ■ Cooler areas in photospheres ■ Structure ● Dark umbra with surrounding penumbra ■ Caused by solar magnetic field ■ Number of sunspots varies over time ■ Latitude of spots also varies ■ Sun shows an 11 yr sunspot cycle ■ Solar maximum ● Most sunspots anda activity ■ Maunder minimum showed lack of missed ○ Magnetic flip ■ Missed ○ Solar prominences and flares ■ Prominences ● Hot rising gas in chromosphere constrained by mag field ■ Solar flares ● Coronal mass ejections that are highly energetic ■ Explosive behavior of sun is tied to sunspot cycle ● Activity is greater during maximum ■ Solar activity changes over time ■ Solar storms can disrupt electric power grids and satellites and cause brillant auroras ● Ch 12

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Chapter 11, Problem 84 is Solved
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Textbook: University Physics, Volume 3
Edition: 17
Author: Samuel J. Ling
ISBN: 9781938168185

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