Class 11 Physics Motion In A Straight Line Average Velocity and Average Speed

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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