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Author Question: The radial velocity curve of a star with an extrasolar planet is a plot of A) radial velocity ... (Read 135 times)

Pineapplelove6

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on: Jul 27, 2018
The radial velocity curve of a star with an extrasolar planet is a plot of
 
  A) radial velocity against luminosity
  B) radial velocity against brightness
  C) radial velocity against distance
  D) radial velocity against time

Question 2

If both the mass and the velocity of a ball are tripled, the kinetic energy is increased by a factor of
 
  A) 18.
  B) 81.
  C) 6.
  D) 9.
  E) 27.


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sabina576

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

D

Answer to Question 2

E


Pineapplelove6

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Reply #2 on: Jul 27, 2018
Thank you!


sabina576

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Reply #3 on: Jul 27, 2018
Always glad to help...


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