code: def viscosity_kinematic(temp):
      
      ut.check_range([temp, ">0", "Temperature in Kelvin"])
      return (viscosity_dynamic(temp).magnitude
              / density_water(temp).magnitude)
docs: Return the kinematic viscosity of water at a given temperature.
  
      If given units, the function will automatically convert to Kelvin.
      If not given units, the function will assume Kelvin.