Question

define the term average speed​

Answer 1

The average speed of an object is the total distance traveled by the object divided by the elapsed time to cover that distance. It's a scalar quantity which means it is defined only by magnitude. A related concept, average velocity, is a vector quantity. A vector quantity is defined by magnitude and direction.

Answer 2

Average speed

Average speed can be defined as the mean speed of an object during a journey

Mathematically :

Speed avg .=

Total distance / Total Time

OR

Speed avg .=

Speed avg .=Speed min . + Speed max. /2

(! Not applicable for all cases )