COSMIC PERSPECTIVE LL FD
9th Edition
ISBN: 9780135877074
Author: Bennett
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 18, Problem 30EAP
Choose the best answer lo each of the following. Explain your reasoning with one or more complete sentences.
29. What would happen if the Sun suddenly became a black hole without changing its mass? (a) The black hole would quickly suck in Earth. (b) Earth would gradually spiral into the black hole. (ci Earth would remain in the same orbit.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
High Mass Stars
Problem 4. Black Holes
The Schwarzschild radius determines the event horizon of a black hole. Construct the equation defining this radius using the fact that the escape velocity at this radius is c (the speed of light). Use M for the black hole mass and RS for the Schwarzchild radius. (Do not simply write down the equation, show and explain the logical steps of your construction and algebra)
a. Describe three of the six possible scenarios for the fate of the universe. For each case, describe:
• what conditions will be like
• the curvature of the universe
• which term (gravity, expansion, or dark energy) in the Friedman equation would dominate.
b. Observationally, what scenario best describes our universe? Explain.
Part 1. Stellar Mass Black Holes
These are the collapsed cores of massive stars which end their life in supernova explosions. The
stellar core can no longer use nuclear fusion to hold up the immense gravity, and collapses until
its escape velocity rises higher than the speed of light. Voila! A black hole is formed.
Part A: The Schwarzschild Radius
The Schwarzschild Radius is defined as:
2GM
(1)
=
c2
where r, is the Schwarzschild radius, G is the gravitational constant, M is the mass of the black
hole, and c is the speed of light.
1. Let's say we have a black hole with a mass 10 times that of the Sun (the Sun's mass is 2 x
1030 kg, so the mass of the black hole is then 2 x 1031 kg). Using the definitions for G and
c, what would the Schwarzschild radius of this black hole be?
2. If the radius of the Sun is 7 x 108 m, how does the black hole's radius compare? (Divide
the radius of the Sun by the Schwarzschild radius). Your answer should be in the form of
times smaller/bigger than the…
Chapter 18 Solutions
COSMIC PERSPECTIVE LL FD
Ch. 18 - Prob. 1VSCCh. 18 - Prob. 2VSCCh. 18 - Prob. 3VSCCh. 18 - Prob. 4VSCCh. 18 - Prob. 5VSCCh. 18 - Prob. 1EAPCh. 18 - Prob. 2EAPCh. 18 - Prob. 3EAPCh. 18 - Prob. 4EAPCh. 18 - Prob. 5EAP
Ch. 18 - Prob. 6EAPCh. 18 - Prob. 7EAPCh. 18 - Prob. 8EAPCh. 18 - Prob. 9EAPCh. 18 - 10. In what sense is a black hole like a hole in...Ch. 18 - Il. What do we mean by the singularity of a black...Ch. 18 - Prob. 12EAPCh. 18 - Prob. 13EAPCh. 18 - Prob. 14EAPCh. 18 - Prob. 15EAPCh. 18 - Prob. 16EAPCh. 18 - Prob. 18EAPCh. 18 - Prob. 19EAPCh. 18 - Decide whether tile statement makes sense (or is...Ch. 18 - Prob. 21EAPCh. 18 - Decide whether tile statement makes sense (or is...Ch. 18 - Prob. 23EAPCh. 18 - Prob. 24EAPCh. 18 - Decide whether tile statement makes sense (or is...Ch. 18 - Decide whether tile statement makes sense (or is...Ch. 18 - Prob. 27EAPCh. 18 - Choose the best answer lo each of the following....Ch. 18 - Prob. 29EAPCh. 18 - Choose the best answer lo each of the following....Ch. 18 - Prob. 31EAPCh. 18 - Prob. 32EAPCh. 18 - Prob. 33EAPCh. 18 - Prob. 34EAPCh. 18 - Prob. 35EAPCh. 18 - Prob. 36EAPCh. 18 - Black Holes in Popular Culture. Expressions such...Ch. 18 - Prob. 39EAPCh. 18 - Prob. 41EAPCh. 18 - Prob. 42EAPCh. 18 - Prob. 43EAPCh. 18 - Prob. 44EAPCh. 18 - Prob. 45EAPCh. 18 - Prob. 46EAPCh. 18 - Prob. 47EAPCh. 18 - Prob. 48EAPCh. 18 - Why Black Holes Are Safe. Explain why the...Ch. 18 - Surviving the Plunge. The tidal forces near a...Ch. 18 - Prob. 52EAPCh. 18 - Prob. 53EAPCh. 18 - Prob. 54EAPCh. 18 - Prob. 55EAPCh. 18 - Prob. 56EAPCh. 18 - Prob. 57EAPCh. 18 - Prob. 58EAPCh. 18 - Prob. 59EAPCh. 18 - Prob. 60EAPCh. 18 - Prob. 61EAP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The comment is written by professor. Please write your explain and reason detail. Also, please tell me where I'm wrong. 4. The special theory of relativity predicts that there is an upper limit to the speed of a particle. It therefore follows that there is also an upper limit on the following properties of a particle.a. the kinetic energyb. the total energyc. the linear momentumd. more than one of thesee. none of thesearrow_forwardActivity 1: “Standing in the shoulders of giants.….." primed by dfferent theories and discoveries of various scientists before him. Let us see it you can identify and recall the founding concepts and principles behind Special Theory or Relativity. theories that sparks Albert Einstein's revolutionary idea. he patn that led to Albert Einstein's development of Special Theory of Relativity was Match the names and the picture of the scientists to their concepts and https://commons.wikimedia.org/ w/index.php?curid-2622010 1. Albert A. Michelson nttp5://commons.Wikimedia.org/w/index.php? curid-501204 2. James Clerk Maxwell mons.wikimedia.org/w/ind ex.php?curid=80230525 3. Galileo Galilei https://commons.wikimedia.org/w/l ndex.php?curid-2622010 https://commons.wikimedia.org/w https://commons.wikimedia.org/w/l /index.php?curid-37337 4. Edward W. Morley 5. Sir Isaac Newton ndex.php?curid-57388339 6. Thomas Young A. Tried to detect that ether wind measure the speed of light relative to it.…arrow_forwardWhat are gravitational waves, how are they generated, what do they do and how can we detect them? Please thoroughly explain. Please include a diagram(s) for these questions. If you use any sources, please list them. Thank youarrow_forward
- 2. How much mass would a black hole contain if it has an event horizon equal in size to an average sized tennis ball? Express your first answer, using scientific (powers of ten) notation, in kg and also express the same answer in "Earth masses." answer: Mo = kg = × MẸarrow_forwarddiscussion of elementary particle physics? PET a good exam- ple 2. Describe the two fundamental postulates underlying Einstein's special theory of relativity. 3. Suppose you were traveling toward the Sun at a constant velocity of 0.25c. With what speed does the light streaming out from the Sun go past you? Explain your reasoning. 4. Light travels in water at a speed of 2.25 X 108 m/s. Is it possible for particles to travel through water at a speed v>2.25 × 108 m/s? Why or why not? Explain. 5. In your own words, define what is meant by time dilation in spe- cial relativity theory. Provide a similar definition for length contrac- tion. Give an example in which the effects of time dilation are actu- ally observed. 15 16 17 1: 19 2arrow_forwardUsing MBH = 6.6 × 10 Mo, calculate the below. a. Find radius of the Schwarzschild sphere (Schwarzschild radius Rs). You can calculated from the appropriate formula or just use the fact that for an object of 1 solar mass Rs = 3 km. b. Express Rs in km, in AU, in parsecs. c. Using the distance to M87 and your result above, find angular radius of the SMBH (Schwarzschild radius). Express it in arcseconds (") and micro- arcseconds (pas) d. Take the radius of Pluto's orbit equal to 40 AU and find its angular size (in micro-arcseconds, pas) at the distance of M87.arrow_forward
- (Astronomy) Black Hole Gravity I. If the gravitational acceleration is g=GM/r^2, what gravitational acceleration does a particle feel at the Schwarzshild radius of a 12-solar-mass black hole star? Express your answer in units of m/s2. Please round your answer to three significant digits.arrow_forwardProblem 2. The redshift is defined to be the quantity Job – Xem Xem where Aob and Aem are respectively the wavelengths at which radiation is observed and emitted. 1. Find the corresponding definition in terms of observed and emitted frequencies fob and fem. 2. The observed frequency of radio waves from a distant galaxy is 5 GHz. At the location of galaxy, the frequency is 6 GHz. Calculate the redshift of the galaxy. 3. If the galaxy was 500 Mpc away from the Milky way when the radio waves were emitted. How far away is this galaxy today?arrow_forwardPlease answer the LAST THREE QUESTIONS USING THE VALUES PROVIDED. PLEASE DO NOT SKIP ANY STEPS AND COMPLETELY EXPLAIN YOUR ANSWER. I have submitted this question now FOUR times and have gotten different answers each time. Please make sure to answer ALL question in terms of AU where appropriate!! Please double check your work, and please make sure you fully undrestand the question before you undertake the problem. For the given black hole, its Schwarzschild radius is Rs=2.94814×109 m perihelion =0.3941 AU aphelion = 0.4927 AU The semi-major is calculated using the formula a = (0.492+0.3942)/2 a = 0.443 AUarrow_forward
- What are gravitational waves? How are the generated? What do they do and how can we detect them? Please thoroughly explain. If you use any sources please state themarrow_forwardDiscusses the importance of general relativity to satellite mapping. How are satellites being used to determine natural resources such as deposits of iron, groundwater, and schools of fish, to name a few? Why does the gravitational force vary at different points in a satellite’s orbit? How does this relate to what you’ve studied about gravitation? Be sure to cite your sources.arrow_forwardPost Test I. Multiple Choice: Choose the letter of the correct answer 1. A space probe is drifting to the right at n constant velocity in deep interstellar space far from any influence due to planets and atare-with its rockets off. If two rocket thrusters both turn on simultaneously exerting identical forces leftward and rightward in the directions shown, what would happen to the motion of the rocket? The space probe would continue with constant velocity. b. The space probe would speed up. c. The space probe would slow down and eventually stop d. The space probe would immediately stop. Space cable 2. An elevator is being pulled upward at a constant velocity by a cable as seen in the diagram. While the elevator is moving upward at constant velocity, how does the magnitude of the upward force exerted on the elevator by the cable elevator a. F. is greater than F b. Fe is equa o Fg c. F. is smaller than Fk d. F. could be larger or smaller than F. 3. A space probe is drifting to the right…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
General Relativity: The Curvature of Spacetime; Author: Professor Dave Explains;https://www.youtube.com/watch?v=R7V3koyL7Mc;License: Standard YouTube License, CC-BY