Question

A train travels with a speed of 60 kmph from a station a to station B then comes back with a speed of 80 kmph from station beat station a find the average speed of the train
the average velocity of the train​

Answer 1

Answer:

average speed=68.57 kmph

average velocity =0

Explanation:

average speed=total distance travelled/total time taken

suppose a

distance between A and B is x

so total distance travelled=2x

total time taken=x/60+x/80=140x/4800

average speed =2x/(140x/4800)

=68.57 kmph

average velocity =total displacement/total time

as total displacement =0 so average velocity =0