Question

An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runner’s average speed? (Round your answer to the nearest tenth of a meter per second.) 0.9 m/s 1.2 m/s 8.7 m/s 10.1 m/s

Answer 1

the speed will be;

speed= 8.7 m/s

Answer 2

By definition,
speed = distance/time

Given:
Distance = 200 m
Time = 23 s

Therefore
Speed = (200 m)/(23 s) = 8.695 m/s

Answer: 8.7 m/s