Studies of multiplanet exoplanet systems have shown us that other ...

[jilianpiloj]

Studies of multiplanet exoplanet systems have shown us that other planetary systems can sometimes differ from ours by
 
  A) having their planets packed much closer to each other than our solar system's planets
  B) exist in binary star systems
  C) containing planets with much lower masses
  D) two of these

Question 2

The magnitude of a vector is 3.1 units and its x component is 0 units. What are the possible y components and respective angles with the x-axis of the vector?
 
  What will be an ideal response?

[T4T]

Answer to Question 1

D

Answer to Question 2

3.1 at 90. or - 3.1 at - 90.

[jilianpiloj]

Excellent

[jomama]

Thanks for the timely response, appreciate it