Question

An athlete is running one circular track.He runs a distance 400 m in 25 s before returning to its original position. What is average speed and velocity?

Answer 1

Answer:

Total distance = 400 m

Total time = 25 s

Average speed = 400/25 m/s

= 16 m/s

Average velocity is 0 as the total displacement is 0 .

Answer 2

Answer:

Given: Total distance travelled = 400 m

Total displacement = 0, as he returns to his original position.

Total time = 25 seconds.

Average speed = ?, Average velocity = ?

Average speed = Total distance covered / Total time taken

=> Average speed = 400 / 25

=> 16 m/s

Average velocity = Total displacement / Total time taken

=> 0 / 25

=> 0 m/s