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| Name | 6.47 | Astronomical observations of our Milky Way galaxy indicate that it has a mass of about |
| Video Uploader | Video From The Glaser Tutoring Company |
| Upload Date | This Video Uploaded At 14-06-2020 10:15:00 |
| Video Discription | Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0×10^11 solar masses. A star orbiting on the galaxy’s periphery is about 6.0×10^4 light years from its center. (a) What should the orbital period of that star be? (b) If its period is 6.0×10^7 years instead, what is the mass of the galaxy? Such calculations are used to imply the existence of “dark matter” in the universe and have indicated, for example, the existence of very massive black holes at the centers of some galaxies. OpenStax™ is a registered trademark, which was not involved in the production of, and does not endorse, this product. If you don't have the OpenStax™ "College Physics" textbook, here is a link in which you can download it for FREE! https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/CollegePhysics-OP.pdf SUBSCRIBE if you'd like to see more solutions for your textbook! https://www.youtube.com/channel/UC2C34WdYMOm47PkWovvzLpw?sub_confirmation=1 Want us as your private tutor? Get started with your FREE initial assessment! https://glasertutoring.com/contact/ #KeplersLaws #PlanetaryMotion #OpenStaxPhysics |
| Category | Education |
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