A freely falling object has a constant acceleration of 9.8 m/s2 . ...

[jerry coleman]

A freely falling object has a constant acceleration of 9.8 m/s2 . This means that
 a. the object's displacement changes by 9.8 m every second squared.
  b. the object's speed increases by 9.8 m/s each second.
  c. the object's acceleration increases by 9.8 m/s2 each second.
  d. the object travels 9.8 m each second.

Question 2

What basic type of reaction is illustrated by the general equation AB  A + B?
 a. Combination
  b. Decomposition
  c. Double-replacement
  d. Single-replacement

[amy.lauersdorf90]

Answer to Question 1

b

Answer to Question 2

b