Question

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.

Answer 1

9.7 m/s is the answer.

Step-by-step explanation:

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Answer 2

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