An oak tree was planted ago. How many seconds does this ...

[V@ndy87]

An oak tree was planted ago. How many seconds does this correspond to? (Do not take leap days into account.)
 
  A) 6.9  108
  B) 1.2  107
  C) 2.9  107
  D) 2.8  108

Question 2

When an object moves in uniform circular motion, the direction of its acceleration is
 
  A) in the same direction as its velocity vector.
  B) in the opposite direction of its velocity vector.
  C) is directed toward the center of its circular path.
  D) is directed away from the center of its circular path.
  E) depends on the speed of the object.

[manuelcastillo]

Answer to Question 1

A

Answer to Question 2

C

[V@ndy87]

Thank you!

[manuelcastillo]

Always glad to help...