Chapter 13 Tutorial on Black Holes

Chapter 13 Tutorial on Black Holes - Chapter 13 Tutorial on...

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Unformatted text preview: Chapter 13 Tutorial on Black Holes Exercises: 1. Consider the three planets. All have the same mass as Earth, but with different radii. For which planet is the escape velocity from the surface the largest? A: Planet 3 2. The event horizon of a 3- solar- mass black hole is roughly the same size as: A: a small town 3. The event horizon for a 10-solar-mass black hole is: A: larger than that of a 1-solar-mass black hole 4. Which of the following is true about the observational evidence for black holes? A: We have inferred the presence of super massive black holes in many galaxies. 5. Some X-Ray binaries are candidates for black holes because: A: the object in the center of the accretion disk is too massive to be a neutron star 6. If you could measure the orbital speeds of particles in an accretion disk around a black hole, you would notice that: A: Particles near the center are moving fastest 7. If Jupiter turned into a black hole: A: Earth would continue orbiting the Sun, unaffected by this event....
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Chapter 13 Tutorial on Black Holes - Chapter 13 Tutorial on...

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