Physical quantity

heat flow rate dissipation factor divergence speed of sound apparent magnitude radiant flux radiant intensity twist of a shaft rotational speed radiant energy distance dimensionless quantity magnitude of eclipse geothermal energy surface charge density Q10 body mass index velocity factor moment time constant spin stress tensor power quantity impedance parameters variance inflation factor angular measure shearing field strength mass flow rate rapidity phase velocity ullage logarithmic decrement fetch radiance radiant exposure potential vorticity transmittance propagation coefficient form factor sound pressure level molar mass radiative forcing optical path length density of heat flow rate seismic moment magnetic pole strength luminous efficacy of radiation radiant energy density kinematic viscosity