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Author Question: Cygnus X-1 and LMC X-3 are black holes if the masses of the unseen companions perhaps may be a. ... (Read 63 times)

kshipps

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on: Jul 27, 2018
Cygnus X-1 and LMC X-3 are black holes if the masses of the unseen companions perhaps may be
 
  a. less than 3 solar masses.
  b. more than 3 solar masses.
  c. between 0.4 and 1.4 solar masses.
  d. less than 0.4 solar masses.
  e. not larger than the masses of the stars that we can see.

Question 2

A wave on a lake is found to have a wavelength of 2 m and a frequency of 0.3 Hz. What is the speed of this wave?
 
  What will be an ideal response?


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Briannahope

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

b

Answer to Question 2

0.6 m/s


kshipps

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Reply 2 on: Jul 27, 2018
Excellent

diana chang

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Reply 3 on: Yesterday
Gracias!

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