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*average velocity means the total displacement divided by the total time taken.*this is different from the average speed as velocity is a vector. when we take average we need to take into account the directions of velocity at different times.

if an object travels for time t1 with a uniform velocity and for time t2 with a uniform velocity of then the average velocity is

if a person travels for 1 hour covering a distance of 10 km in a straightline towards the North and then returns along the same straight line after 1 hour, then

v1 vector is 10kmph towards North.

v2 vector is 10 km ph towards South.

average velocity is 0.

*Average velocity is the net displacement divided by the time interval.*