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Author Question: If a star has an extrasolar planet, the amplitude of its radial velocity curve is related to the ... (Read 93 times)

sabina

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on: Jul 27, 2018
If a star has an extrasolar planet, the amplitude of its radial velocity curve is related to the planet's
 
  A) mass
  B) orbital shape
  C) orbital period
  D) radius

Question 2

When you sit on a chair, the reaction to your weight is
 
  A) zero if in equilibrium.
  B) the chair pushing on you.
  C) the Earth being pulled up.
  D) your push down on the chair.
  E) the floor pushing up on the chair.


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aliotak

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

A

Answer to Question 2

C


sabina

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


aliotak

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


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