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Author Question: Applying the Newton's version of Kepler's third law (or the orbital velocity law) to a star orbiting ... (Read 74 times)

sabina

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on: Jul 27, 2018
Applying the Newton's version of Kepler's third law (or the orbital velocity law) to a star orbiting 40,000 light-years from the center of the Milky Way Galaxy allows us to determine
 
  A) the total mass of the entire Milky Way Galaxy.
  B) the mass of the black hole thought to reside in the center of the galaxy.
  C) the percentage of the galaxy's mass that is made of dark matter.
  D) the mass of the Milky Way Galaxy that lies within 40,000 light-years of the galactic center.

Question 2

He was the first to prove that comets lie beyond Earth's atmosphere.
 
  A) Tycho Brahe
  B) Copernicus
  C) Kepler
  D) Galileo
  E) Aristotle


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sultansheikh

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


sabina

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Reply 2 on: Jul 27, 2018
Gracias!

strudel15

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Reply 3 on: Yesterday
:D TYSM

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