Question

why do we considered the average speed of an object for its complete journey?​

Answer 1

→Answers :

Average speed is calculated by dividing the total distance that something has traveled by the total amount of time it took it to travel that distance.

→Additional :

Speed is how fast something is going at a particular moment. ... Average speed is used in all kinds of fields, including physics, astronomy, and transportation.

Answer 2

Most of the time the objects move at different speeds due to to various reasons to reach its destination. So we have to calculate average speed for the complete journey. We calculate the average speed of the object by:

Average speed ( v )= Total distance travelled by object is divided by total time taken