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The supermassive black hole at the center of the NGC4261 galaxy is thought to have a

ISBN: 9781133103721 454

Solution for problem 16 Chapter 15

Modern Physics for Scientists and Engineers | 4th Edition

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Problem 16

The supermassive black hole at the center of the NGC4261 galaxy is thought to have a mass of 1 billion suns.(a) Calculate its Schwarzschild radius and compare itwith the size of our solar system. (b) How much timewould this black hole take to evaporate by Hawkingradiation?

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Black 3 lecture 8 - Blood Supply and CSF 1. Describe what is meant by “anterior circulation” and “posterior circulation” and what vessels give rise to the different blood flow patterns 2. List the 3 large vessel that supply blood to the cerebrum and the major blood vessel from which they originate Come from Left/right common carotid art - Left Internal Carotid Artery, Right Internal Carotid Artery Come from Vertebral arteries - combine to for basilar artery - provide blood to poster ⅓ of brain 3. Describe the body regions provided blood by the anterior cerebral artery, middle cerebral artery, posterior cerebral artery and the vertebrobasilar arteries Anterior cerebral artery - trunk and lower extremity middle cerebral artery - (largest vascular territory) - upper limbs and face, speech, auditory Posterior cerebral artery - occipital lobe (vision), inferior temporal lobe (face recognition) Vertebrobasilar arteries - join to form 1 basilar artery that provides blood to the brain stem, cerebellum, and posterior ⅓ rd of the cerebrum 4. Compare stroke and transient ischemic attack Stroke - Thrombotic “clot” - Hemorrhagic “bleeding in the brain” - Ischemia - insufficient blood supply to the brain Transient Ischemic Attack (TIA) - a transient episode of neurological deficit - DOES NOT RESULT IN NEUROLOGICAL DAMAGE - NOT A “MINI STROKE” - primary cause is embolism 5. Compare thrombotic and hemorrhagic strokes Thrombotic “clot” - can be broken up by medication - untreated usually lead to Hemorrhagic strok

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ISBN: 9781133103721

The answer to “The supermassive black hole at the center of the NGC4261 galaxy is thought to have a mass of 1 billion suns.(a) Calculate its Schwarzschild radius and compare itwith the size of our solar system. (b) How much timewould this black hole take to evaporate by Hawkingradiation?” is broken down into a number of easy to follow steps, and 46 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 15 chapters, and 898 solutions. Modern Physics for Scientists and Engineers was written by and is associated to the ISBN: 9781133103721. Since the solution to 16 from 15 chapter was answered, more than 259 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Modern Physics for Scientists and Engineers, edition: 4. The full step-by-step solution to problem: 16 from chapter: 15 was answered by , our top Physics solution expert on 03/16/18, 03:15PM.

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