What are the SI base units of the Planck constant hhh?
kg m2s−1\text{kg m}^2\text{s}^{-1}kg m2s−1
kg m2s−2\text{kg m}^2\text{s}^{-2}kg m2s−2
kg m s−1\text{kg m s}^{-1}kg m s−1
kg m2s−3\text{kg m}^2\text{s}^{-3}kg m2s−3
