Suppose two equipotential surfaces are the planes x = 3 m and x = ...

[michelleunicorn]

Suppose two equipotential surfaces are the planes x = 3 m and x = 5 m. If the potential at the x = 3 m surface is 10 V and the potential at the x = 5 m surface is 50 V, what is the magnitude of the electric field between the two surfaces?
 a. 40 N/C
  c. 15 N/C
  b. 20 N/C
  d. 10 N/C

Question 2

A bank vault is opened by applying a force of 300 N perpendicular to the plane of the door, 1.2 m from the hinges. Find the torque due to this force about an axis through the hinges.
 a. 180 Nm
  c. 300 Nm
  b. 240 Nm
  d. 360 Nm

[Swizqar]

Answer to Question 1

B

Answer to Question 2

D

[michelleunicorn]

Thank you!

[Swizqar]

Always glad to help...