Answer:
25 miles per hour North
Explanation:
Velocity of an object is a vector quantity. It has both magnitude as well as direction.
Option (1) has only magnitude of 52 m/s. It doesn't show velocity.
Option (2) has both magnitude and direction. Here, 25 mph is magnitude and North is direction. It shows velocity.
Option (3) has only magnitude of 25 mph. It doesn't show velocity.
Option (4) has only magnitude of 100 km/h. It doesn't show velocity.
Hence, the correct option is (b).
