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Author Question: In a binary system, the more massive star a. is at the center of mass. b. is farthest from the ... (Read 61 times)

michelleunicorn

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on: Jul 27, 2018
In a binary system, the more massive star
 
  a. is at the center of mass.
  b. is farthest from the center of mass.
  c. is nearest the center of mass.
  d. follows the largest orbit.
  e. shows a larger Doppler shift in its spectral lines.

Question 2

A nanometer is
 
  a. a unit of frequency.
  b. a unit of energy.
  c. a unit of mass.
  d. a unit of length.
  e. a unit of resolving power.


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tdewitt

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

c

Answer to Question 2

d


michelleunicorn

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Reply 2 on: Jul 27, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
:D TYSM

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