Assertion: unit | /r/HasProperty | j s
Facets:
Source sentences:
text: The kilogram (kg) 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 m2 s−1, where the meter and the second are defined in terms of c and ∆ν Cs .