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Author Question: What is the total mass of a binary star system with P = 20 yr and a = 10 AU? a. 2 solar masses ... (Read 67 times)

Zulu123

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on: Jul 27, 2018
What is the total mass of a binary star system with P = 20 yr and a = 10 AU?
 
  a. 2 solar masses
  b. 2.5 solar masses
  c. 0.5 solar mass
  d. 80 solar masses
  e. 0.4 solar mass

Question 2

Which of the following sequences of electromagnetic radiation is correct in order of increasing energy?
 
  a. gamma rays, X-rays, infrared, radio
  b. radio, microwave, gamma rays, UV
  c. visible, UV, X-rays, gamma rays
  d. visible, microwave, radio, infrared
  e. infrared, visible, radio, X-rays


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ricroger

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

b

Answer to Question 2

c


Zulu123

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


ricroger

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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