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Author Question: What is the angle between the noon sun on the winter solstice and the southern horizon for an ... (Read 111 times)

newyorker26

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on: Jul 27, 2018
What is the angle between the noon sun on the winter solstice and the southern horizon for an observer at a latitude of 38 N?
 
  a. 38
  b. 52
  c. 75.5
  d. 28.5
  e. 14.5

Question 2

An eclipsing binary has been analyzed and it has been determined that the ratio of the mass of star A to the mass of star B is 6 and the total mass of the two stars is 26 solar masses. What are the masses of star A and star B?
 
  a. Star A has a mass of 1 solar mass and star B has a mass of 6 solar masses.
  b. Star A has a mass of 20 solar mass and star B has a mass of 6 solar masses.
  c. Star A has a mass of 31.2 solar mass and star B has a mass of 5.2 solar masses.
  d. Star A has a mass of 22.3 solar mass and star B has a mass of 3.7 solar masses.
  e. The masses of star A and star B cannot be determined from the information given.


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tmlewis4706

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

D

Answer to Question 2

D


newyorker26

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Reply 2 on: Jul 27, 2018
Excellent

momolu

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Reply 3 on: Yesterday
Gracias!

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