Planetary systems discovered around other stars A) all have ...

[debasdf]

Planetary systems discovered around other stars
 
  A) all have exactly the same layout as the planets in our own solar system
  B) all have completely different layouts as the planets in our own solar system
  C) exhibit a range of different layouts, some being very similar to our solar system while others being very different
  D) all have very similar but not identical layout to our solar system

Question 2

Suppose that several projectiles are fired upward. Which one will be in the air longest? (R is range, h is highest elevation, and t is time of flight.)
 
  A) The one with the farthest range, R
  B) The one with the highest maximum elevation, h
  C) The one for which the product of (R)(t)(h) is maximum
  D) The one with the greatest initial velocity
  E) The one with the minimum elevation, h

[dreamfighter72]

Answer to Question 1

C

Answer to Question 2

B

[debasdf]

Gracias!

[xiazhe]

TYSM