Best Answer

Distance = Rate * Time

or, for our purposes

Rate = Distance/Time

Rate = 400.0 m/45.0 s

= 8.89 meters per second

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Q: What is the average speed of a sprinter who runs 400.0 m in 45.0 s?

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Just divide the distance by the time. That will give you the speed, in meters/second. If you want kilometers/hour, multiply the result of the division by 3.6.

If someone runs 10 miles in 90 minutes their average speed is 6.67 mph

4.6ms

4.60

The sprinter's acceleration is 2 meters per second squared.

Related questions

~10.2 meters per second.

The sprinter's speed is 22.53 miles per hour.

sprinter

Just divide the distance by the time. That will give you the speed, in meters/second. If you want kilometers/hour, multiply the result of the division by 3.6.

22.92 mph.

If someone runs 10 miles in 90 minutes their average speed is 6.67 mph

The average speed of a runner who runs 500.0 m in 1.3 min is 6.41 m/s.

The 2012 Mercedes-Benz Sprinter runs on diesel.

The 2010 Mercedes-Benz Sprinter runs on diesel.

The 2014 Mercedes-Benz Sprinter runs on diesel.

4.6ms

The 2011 Mercedes-Benz Sprinter runs on diesel fuel.