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In meters per second, what is the rate at which Sarah ran the 400m hurdles in 67.7 seconds, to the nearest tenth of a meter per second?

A. 5.9 m/s
B. 5.8 m/s
C. 6.0 m/s
D. 5.7 m/s

1 Answer

3 votes

Final answer:

Sarah's rate of speed for the 400m hurdles is 5.9 meters per second, calculated by dividing the distance of 400 meters by the time of 67.7 seconds.

Step-by-step explanation:

To calculate the rate at which Sarah ran the 400m hurdles, we divide the distance by the time taken to complete the race. Here's the calculation step-by-step:






The answer, therefore, is Option A. 5.9 m/s, which is Sarah's average speed for the 400m hurdles.

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