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Author Question: Sirius A and Sirius B constitute a binary star pair in which the stars orbit their common center of ... (Read 90 times)

09madisonrousseau09

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on: Jul 29, 2018
Sirius A and Sirius B constitute a binary star pair in which the stars orbit their common center of mass with a period of 49.9 years. The stars are 2.40  1012 m apart.
 
  Assume that the two stars have equal masses and that they move in a circle about their common center of mass. What is the mass of each star? G = 6.67 x 10-11 Nm2/kg2. A) 5.41  1030 kg
  B) 2.70  1030 kg
  C) 7.55  1030 kg
  D) 3.30  1030 kg
  E) 1.65  1030 kg

Question 2

Two coherent light sources are characterized by
 
  A) having the same amplitude.
  B) having the same frequency.
  C) having the same wavelength.
  D) having the same velocity.
  E) having the same frequency and maintaining a constant phase difference.


momolu

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Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

E


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09madisonrousseau09

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Reply #2 on: Jul 29, 2018
Thanks


momolu

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Reply #3 on: Jul 29, 2018
Welcome :)


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