Orders of magnitude (speed)
To help compare different orders of magnitude, the following list describes various speed levels between approximately 2.2×10−18 m/s and 3.0×108 m/s. Values in bold are exact.
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Wikipedia
To help compare different orders of magnitude, the following list describes various speed levels between approximately 2.2×10−18 m/s and 3.0×108 m/s. Values in bold are exact.