## Definitions of SI Units

meter (m) The meter is the length equal to the distance traveled by light, in vacuum, in a time of 1>299,792,458 second. kilogram (kg) The kilogram is the unit of mass; it is defined by taking the value of Planck’s constant h to be exactly 6.62607015 * 10-34 kg # m2>s. second (s) The second…

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