What is the si unit of mass?
回答 (3)
2020-07-13 12:31 pm
The SI unit of mass is kilogram (kg).
2020-07-13 12:49 pm
The SI unit for mass is the kilogram
2020-07-13 8:14 pm
The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.62607015×10^-34 when expressed in the unit J⋅s, which is equal to kg⋅m^2 s^-1, where the metre and the second are defined in terms of c and ΔνCs.
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