Question 15 There is a distance of 3.0 x10-1 meters between two metalic spheres. Each sphere has a charge of +2.0 x10-6 coulombs What is the magnitude of the electrostatic force on the two spheres?
A) 1.2 x 10-12 N
B) 4.4 x 10-11 N
C) 1.2 x 10-1N
D) 4.0 x10-11

Which of the following is an example of units for speed

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Which of the following are guidelines to follow for obtaining accurate observations