Physics Class 11 Chapter 3. Motion in a Straight line | Page 4

Average Velocity and Average Speed
Criteria Average Velocity Average Speed
Definition
Change in position or displacement divided by time interval.
Total path length travelled divided by total time interval regardless of direction.
Formula
Avg speed = Total path length / Total time interval
Scalar or Vector Vector Scalar
Sign
Can be positive or negative
Always positive
Unit m / s m / s
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