What is average velocity?
The unit of average velocity is m/s or Km/h. Average velocity is a vector which has the same direction as the displacement vector. Also, averegae velocity does not give any information about the motion path.
If a body starts moving from a point and finally get back to that point, its average velocity will be zero because the displacement is zero.
If a body has an average velocity of 40 km/h, it can be concluded that in each hour it is displaced 40 km on average.
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