This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Applying the Newton's version of Kepler's third law (or the orbital velocity law) to a star orbiting ... (Read 76 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


sabina

  • Member
  • Posts: 563
Reply 2 on: Jul 27, 2018
Wow, this really help

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Techniques for applying local anesthesia: (a) topical; (b) infiltration; (c) nerve block; (d) spinal Techniques for applying local anesthesia: (a) topical; (b) infiltration; (c) nerve block; (d) spinal
Orbital Plane Orbital Plane
Cards Used in a Socially Situated Version of the Problem-Solving Test Cards Used in a Socially Situated Version of the Problem-Solving Test
Good hand and body mechanics when applying thumb pressure to the back. Good hand and body mechanics when applying thumb pressure to the back.
Performing the Trendelenburg’s test: Applying tourniquet Performing the Trendelenburg’s test: Applying tourniquet
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

For a complete list of videos, visit our video library