Convert 21 Miles per Hour to Meters per Second
How fast is 21 miles per hour? What is 21 miles per hour in meters per second? 21 mph to m/s conversion.
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21 Miles per Hour =
9.38784 Meters per Second
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Result in Plain English
21 miles per hour is equal to about 9.39 meters per second.
In Scientific Notation
21 miles per hour
= 2.1 x 101 miles per hour
= 9.38784 x 100 meters per second
Miles per Hour
A mile per hour is a unit of speed commonly used in the United States. It is equal to exactly 1.609344 kilometers per hour.Common abbreviations: mph, mi/h
Meters per Second
A meter per second is a unit of speed. One meter per second is exactly 3.6 kilometers per hour, or about 2.237 miles per hour.Common abbreviations: m/s, mps