To convert meters per second (m/s) to kilometers per hour (km/h), you need to multiply the value in meters per second by 3.6.
So, to convert 1400 m/s to km/h: 1400 m/s * 3.6 = 5040 km/h
Therefore, 1400 meters per second is equal to 5040 kilometers per hour.
This below table contains list of speed units and conversion values:
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