If the electric field is halved in a region of space, what ...

[geodog55]

If the electric field is halved in a region of space, what happens to the electric field energy in a 10 cm3 volume of this space.
 a. It quadruples.
  c. It halves.
  b. It becomes one fourth as much.
  d. It doubles.

Question 2

A 0.20-m radius grinding wheel starts at rest and develops an angular speed of 12.0 rad/s in 4.0 s. What is the average tangential acceleration of a point on the wheel's edge?
 a. 0.45 m/s2
  c. 28 m/s2
  b. 0.60 m/s2
  d. 14 m/s2

[trog]

Answer to Question 1

B

Answer to Question 2

B

[geodog55]

Thanks for the timely response, appreciate it

[Bigfoot1984]

Excellent