The absolute value of the electric potential at a distance of 4 m ...

[karen]

The absolute value of the electric potential at a distance of 4 m from a certain point charge is 200 V. What is the absolute value of this potential at a distance of 8 m from the same point charge?
 
  A) 50 V
  B) 400 V
  C) 100 V
  D) 200 V
  E) 600 V

Question 2

A disk, a hoop, and a solid sphere are released at the same time at the top of an inclined plane. They all roll without slipping. In what order do they reach the bottom?
 
  A) disk, hoop, sphere
  B) hoop, sphere, disk
  C) sphere, disk, hoop
  D) hoop, sphere, disk
  E) hoop, disk, sphere

[irishcancer18]

Answer to Question 1

C

Answer to Question 2

C

[karen]

Excellent

[apple]

Gracias!