A negatively-charged balloon touching a wooden wall A) pulls ...

[cookcarl]

A negatively-charged balloon touching a wooden wall
 
  A) pulls positive charge on the wall surface toward it.
  B) pushes negative charge in the wall away from it.
  C) polarizes molecules in the wall.
  D) all of the above
  E) none of the above

Question 2

Two charged particles near each other are released. As the particles move, the velocity of each increases. Therefore, the particles have
 
  A) the same sign.
  B) the opposite sign.
  C) not enough information

[jjorrostieta]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: C