In order to determine speed, you must know
a. time.
c. both
a. and
b. b. distance.
d. none of the above

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.

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

What happens when a rubber rod is rubbed with a piece of fur?