If a star has an extrasolar planet, the amplitude of its radial ...

[sabina]

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.

[aliotak]

Answer to Question 1

A

Answer to Question 2

C

[sabina]

Both answers were spot on, thank you once again

[aliotak]

Great! Please up vote