what car experiences more impulse - one stopped by a wood block fixed in place, or one stopped by a foam noodle that is allowed to move?

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.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?