228k views
3 votes
Stephanie is trying to see how fast she can run the 100 meter dash. After a few practice runs, she runs her best 100 meter dash in 10.28 seconds. What was Stephanie's average speed while running the 100-meter dash? Round your calculation to the nearest tenth.

User Ian L
by
3.8k points

2 Answers

3 votes

Answer:

9.7 m/s is the answer.

Step-by-step explanation:

#Brainliest Bunch

User Ged Byrne
by
4.4k points
2 votes

Answer:

9.7 m/s

Step-by-step explanation:

Speed is the ratio of distance to time. Stephanie's speed in meters per second is the number of meters divided by the number of seconds:

speed = (100 m)/(10.28 s) ≈ 9.7 m/s

User Azhar Khattak
by
3.7k points