Choose the right answer from the following

Which of the following measurements is a velocity?

  1. 5 m/s
  2. 5 m/s North
  3. 5 m/s2
  4. 5 m/s2 North

Explanation:

5 m/s north is a velocity. Velocity is a vector quantity and it needs both magnitude and direction to define it. In the SI (metric system), velocity is measured as metres per second (m/s) or as the SI base unit of (m⋅s−1).

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