Answer:
40 meters north
Step-by-step explanation:
vector quantity is one that has both magnitude and direction. Among the given options:
40 meters north is a vector quantity. It indicates both a magnitude (40 meters) and a direction (north).
40 kilograms of mass, 40 seconds running, and 40 degrees Celsius are scalar quantities as they only represent a magnitude without any associated direction.
Therefore, the quantity that is a vector is 40 meters north.