<Tr> <Td> Amount of substance </Td> <Td> mol </Td> <Td> Number of particles compared to the number of atoms in 0.012 kg of C </Td> <Td> mole (mol) </Td> <Td> </Td> <Td> extensive, scalar </Td> </Tr> <Tr> <Td> Luminous intensity </Td> <Td> </Td> <Td> Wavelength - weighted power of emitted light per unit solid angle </Td> <Td> candela (cd) </Td> <Td> J </Td> <Td> scalar </Td> </Tr> <Table> <Tr> <Th> Derived quantity </Th> <Th> Symbol </Th> <Th> Description </Th> <Th> SI derived unit </Th> <Th> Dimension </Th> <Th> Comments </Th> </Tr> <Tr> <Td> Absement </Td> <Td> </Td> <Td> Measure of sustained displacement: the first integral of displacement </Td> <Td> ms </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Absorbed dose rate </Td> <Td> </Td> <Td> Absorbed dose received per unit of time </Td> <Td> Gy s </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Acceleration </Td> <Td> a → </Td> <Td> Change of the speed or velocity per unit time </Td> <Td> ms </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Angular acceleration </Td> <Td> α </Td> <Td> Change in angular speed or velocity per unit time </Td> <Td> rad s </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Angular momentum </Td> <Td> </Td> <Td> Measure of the extent and direction an object rotates about a reference point </Td> <Td> kg m s </Td> <Td> </Td> <Td> conserved quantity, pseudovector </Td> </Tr> <Tr> <Td> Angular speed (or angular velocity) </Td> <Td> ω </Td> <Td> The angle incremented in a plane by a segment connecting an object and a reference point per unit time </Td> <Td> rad s </Td> <Td> </Td> <Td> scalar or pseudovector </Td> </Tr> <Tr> <Td> Area </Td> <Td> </Td> <Td> Extent of a surface </Td> <Td> m </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Area density </Td> <Td> ρ </Td> <Td> Mass per unit area </Td> <Td> kg m </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Capacitance </Td> <Td> </Td> <Td> Stored charge per unit electric potential </Td> <Td> farad (F = A s kg m) </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Catalytic activity </Td> <Td> </Td> <Td> Change in reaction rate due to presence of a catalyst </Td> <Td> katal (kat = mol s) </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Catalytic activity concentration </Td> <Td> </Td> <Td> Change in reaction rate due to presence of a catalyst per unit volume of the system </Td> <Td> kat m </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Chemical potential </Td> <Td> μ </Td> <Td> Energy per unit change in amount of substance </Td> <Td> J mol </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Crackle </Td> <Td> c → </Td> <Td> Change of jounce per unit time: the fifth time derivative of position </Td> <Td> ms </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Current density </Td> <Td> J → </Td> <Td> Electric current per unit cross-section area </Td> <Td> A m </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Dose equivalent </Td> <Td> </Td> <Td> Received radiation adjusted for the effect on biological tissue </Td> <Td> sievert (Sv = m s) </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Dynamic viscosity </Td> <Td> η </Td> <Td> Measure for the resistance of an incompressible fluid to stress </Td> <Td> Pa s </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Electric charge </Td> <Td> Q </Td> <Td> The force per unit electric field strength </Td> <Td> coulomb (C = A s) </Td> <Td> </Td> <Td> extensive, conserved quantity </Td> </Tr> <Tr> <Td> Electric charge density </Td> <Td> ρ </Td> <Td> Electric charge per unit volume </Td> <Td> C m </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Electric displacement </Td> <Td> </Td> <Td> Strength of the electric displacement </Td> <Td> C m </Td> <Td> </Td> <Td> vector field </Td> </Tr> <Tr> <Td> Electric field strength </Td> <Td> E → </Td> <Td> Strength of the electric field </Td> <Td> V m </Td> <Td> </Td> <Td> vector field </Td> </Tr> <Tr> <Td> Electrical conductance </Td> <Td> </Td> <Td> Measure for how easily current flows through a material </Td> <Td> siemens (S = A s kg m) </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Electrical conductivity </Td> <Td> σ </Td> <Td> Measure of a material's ability to conduct an electric current </Td> <Td> S m </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Electric potential </Td> <Td> V </Td> <Td> Energy required to move a unit charge through an electric field from a reference point </Td> <Td> volt (V = kg m A s) </Td> <Td> </Td> <Td> extensive, scalar </Td> </Tr> <Tr> <Td> Electrical resistance </Td> <Td> </Td> <Td> Electric potential per unit electric current </Td> <Td> ohm (Ω = kg m A s) </Td> <Td> </Td> <Td> extensive, scalar, assumes linearity </Td> </Tr> <Tr> <Td> Electrical resistivity </Td> <Td> ρ </Td> <Td> Bulk property equivalent of electrical resistance </Td> <Td> ohm metre (Ω ⋅ m = kg m A s) </Td> <Td> </Td> <Td> intensive, scalar </Td> </Tr> <Tr> <Td> Energy </Td> <Td> </Td> <Td> Capacity of a body or system to do work </Td> <Td> joule (J = kg m s) </Td> <Td> </Td> <Td> extensive, scalar, conserved quantity </Td> </Tr> <Tr> <Td> Energy density </Td> <Td> ρ </Td> <Td> Energy per unit volume </Td> <Td> J m </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Entropy </Td> <Td> </Td> <Td> Logarithmic measure of the number of available states of a system </Td> <Td> JK </Td> <Td> M L T Θ </Td> <Td> extensive, scalar </Td> </Tr> <Tr> <Td> Force </Td> <Td> F → </Td> <Td> Transfer of momentum per unit time </Td> <Td> newton (N = kg ms) </Td> <Td> </Td> <Td> extensive, vector </Td> </Tr> <Tr> <Td> Frequency </Td> <Td> f </Td> <Td> Number of (periodic) occurrences per unit time </Td> <Td> hertz (Hz = s) </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Fuel efficiency </Td> <Td> </Td> <Td> Distance traveled per unit volume of fuel </Td> <Td> </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Half - life </Td> <Td> </Td> <Td> Time for a quantity to decay to half its initial value </Td> <Td> s </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Heat </Td> <Td> Q </Td> <Td> Thermal energy </Td> <Td> joule (J) </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Heat capacity </Td> <Td> </Td> <Td> Energy per unit temperature change </Td> <Td> JK </Td> <Td> M L T Θ </Td> <Td> extensive </Td> </Tr> <Tr> <Td> Heat flux density </Td> <Td> φ </Td> <Td> Heat flow per unit time per unit surface area </Td> <Td> W m </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Illuminance </Td> <Td> </Td> <Td> Luminous flux per unit surface area </Td> <Td> lux (lx = cd sr m) </Td> <Td> L J </Td> <Td> </Td> </Tr> <Tr> <Td> Impedance </Td> <Td> Z </Td> <Td> Resistance to an alternating current of a given frequency, including effect on phase </Td> <Td> ohm (Ω = kg m A s) </Td> <Td> </Td> <Td> complex scalar </Td> </Tr> <Tr> <Td> Impulse </Td> <Td> p → </Td> <Td> Transferred momentum </Td> <Td> newton second (N ⋅ s = kg ms) </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Inductance </Td> <Td> </Td> <Td> Magnetic flux generated per unit current through a circuit </Td> <Td> henry (H = kg m A s) </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Irradiance </Td> <Td> </Td> <Td> Electromagnetic radiation power per unit surface area </Td> <Td> W m </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Intensity </Td> <Td> </Td> <Td> Power per unit cross sectional area </Td> <Td> W m </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Jerk </Td> <Td> j → </Td> <Td> Change of acceleration per unit time: the third time derivative of position </Td> <Td> ms </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Jounce (or snap) </Td> <Td> s → </Td> <Td> Change of jerk per unit time: the fourth time derivative of position </Td> <Td> ms </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Linear density </Td> <Td> ρ </Td> <Td> Mass per unit length </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Luminous flux (or luminous power) </Td> <Td> </Td> <Td> Perceived power of a light source </Td> <Td> lumen (lm = cd sr) </Td> <Td> J </Td> <Td> </Td> </Tr> <Tr> <Td> Mach number (or mach) </Td> <Td> </Td> <Td> Ratio of flow velocity to the local speed of sound </Td> <Td> unitless </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Magnetic field strength </Td> <Td> </Td> <Td> Strength of a magnetic field </Td> <Td> A m </Td> <Td> </Td> <Td> vector field </Td> </Tr> <Tr> <Td> Magnetic flux </Td> <Td> Φ </Td> <Td> Measure of magnetism, taking account of the strength and the extent of a magnetic field </Td> <Td> weber (Wb = kg m A s) </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Magnetic flux density </Td> <Td> </Td> <Td> Measure for the strength of the magnetic field </Td> <Td> tesla (T = kg A s) </Td> <Td> </Td> <Td> pseudovector field </Td> </Tr> <Tr> <Td> Magnetization </Td> <Td> </Td> <Td> Amount of magnetic moment per unit volume </Td> <Td> A m </Td> <Td> </Td> <Td> vector field </Td> </Tr> <Tr> <Td> Mass fraction </Td> <Td> x </Td> <Td> Mass of a substance as a fraction of the total mass </Td> <Td> kg / kg </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> (Mass) Density (or volume density) </Td> <Td> ρ </Td> <Td> Mass per unit volume </Td> <Td> kg m </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Mean lifetime </Td> <Td> τ </Td> <Td> Average time for a particle of a substance to decay </Td> <Td> s </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Molar concentration </Td> <Td> </Td> <Td> Amount of substance per unit volume </Td> <Td> mol m </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Molar energy </Td> <Td> </Td> <Td> Amount of energy present in a system per unit amount of substance </Td> <Td> J mol </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Molar entropy </Td> <Td> </Td> <Td> Entropy per unit amount of substance </Td> <Td> JK mol </Td> <Td> M L T Θ N </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Molar heat capacity </Td> <Td> </Td> <Td> Heat capacity of a material per unit amount of substance </Td> <Td> JK mol </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Moment of inertia </Td> <Td> </Td> <Td> Inertia of an object with respect to angular acceleration </Td> <Td> kg m </Td> <Td> </Td> <Td> tensor, scalar </Td> </Tr> <Tr> <Td> Momentum </Td> <Td> p → </Td> <Td> Product of an object's mass and velocity </Td> <Td> N s </Td> <Td> </Td> <Td> vector, extensive </Td> </Tr> <Tr> <Td> Permeability </Td> <Td> μ </Td> <Td> Measure for how the magnetization of material is affected by the application of an external magnetic field </Td> <Td> H m </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Permittivity </Td> <Td> ε </Td> <Td> Measure for how the polarization of a material is affected by the application of an external electric field </Td> <Td> F m </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Plane angle </Td> <Td> θ </Td> <Td> Ratio of circular arc length to radius </Td> <Td> radian (rad) </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Power </Td> <Td> </Td> <Td> Rate of transfer of energy per unit time </Td> <Td> watt (W) </Td> <Td> </Td> <Td> extensive, scalar </Td> </Tr> <Tr> <Td> Pressure </Td> <Td> p </Td> <Td> Force per unit area </Td> <Td> pascal (Pa = kg m s) </Td> <Td> </Td> <Td> intensive, scalar </Td> </Tr> <Tr> <Td> Pop </Td> <Td> p → </Td> <Td> Rate of change of crackle per unit time: the sixth time derivative of position </Td> <Td> ms </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> (Radioactive) Activity </Td> <Td> </Td> <Td> Number of particles decaying per unit time </Td> <Td> becquerel (Bq = s) </Td> <Td> </Td> <Td> extensive, scalar </Td> </Tr> <Tr> <Td> (Radioactive) Dose </Td> <Td> </Td> <Td> Ionizing radiation energy absorbed by biological tissue per unit mass </Td> <Td> gray (Gy = m s) </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Radiance </Td> <Td> </Td> <Td> Power of emitted electromagnetic radiation per unit solid angle per emitting source area </Td> <Td> W m sr </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Radiant intensity </Td> <Td> </Td> <Td> Power of emitted electromagnetic radiation per unit solid angle </Td> <Td> W sr </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Reaction rate </Td> <Td> r </Td> <Td> Rate of a chemical reaction for unit time </Td> <Td> mol m s </Td> <Td> </Td> <Td> intensive, scalar </Td> </Tr> <Tr> <Td> Refractive index </Td> <Td> n </Td> <Td> Factor by which the phase velocity of light is reduced in a medium </Td> <Td> unitless </Td> <Td> </Td> <Td> intensive, scalar </Td> </Tr> <Tr> <Td> Solid angle </Td> <Td> Ω </Td> <Td> Ratio of area on a sphere to its radius squared </Td> <Td> steradian (sr) </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Speed </Td> <Td> </Td> <Td> Moved distance per unit time: the first time derivative of position </Td> <Td> ms </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Specific energy </Td> <Td> </Td> <Td> Energy density per unit mass </Td> <Td> J kg </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Specific heat capacity </Td> <Td> </Td> <Td> Heat capacity per unit mass </Td> <Td> J kg K </Td> <Td> L T Θ </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Specific volume </Td> <Td> </Td> <Td> Volume per unit mass (reciprocal of density) </Td> <Td> m kg </Td> <Td> </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Spin </Td> <Td> </Td> <Td> Quantum - mechanically defined angular momentum of a particle </Td> <Td> kg m s </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Strain </Td> <Td> ε </Td> <Td> Extension per unit length </Td> <Td> unitless </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Stress </Td> <Td> σ </Td> <Td> Force per unit oriented surface area </Td> <Td> Pa </Td> <Td> </Td> <Td> order 2 tensor </Td> </Tr> <Tr> <Td> Surface tension </Td> <Td> γ </Td> <Td> Energy change per unit change in surface area </Td> <Td> N m or J m </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Thermal conductivity </Td> <Td> k </Td> <Td> Measure for the ease with which a material conducts heat </Td> <Td> W m K </Td> <Td> M L T Θ </Td> <Td> intensive </Td> </Tr> <Tr> <Td> Torque </Td> <Td> τ </Td> <Td> Product of a force and the perpendicular distance of the force from the point about which it is exerted </Td> <Td> newton metre (N m) </Td> <Td> </Td> <Td> bivector (or pseudovector in 3D) </Td> </Tr> <Tr> <Td> Velocity </Td> <Td> v → </Td> <Td> Speed and direction of an object </Td> <Td> ms </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Volume </Td> <Td> V </Td> <Td> Three dimensional extent of an object </Td> <Td> m </Td> <Td> </Td> <Td> extensive, scalar </Td> </Tr> <Tr> <Td> Wavelength </Td> <Td> λ </Td> <Td> Perpendicular distance between repeating units of a wave </Td> <Td> m </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Wavenumber </Td> <Td> k </Td> <Td> Repetency or spacial frequency: the number of cycles per unit distance </Td> <Td> m </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Wavevector </Td> <Td> k → </Td> <Td> Repetency or spacial frequency vector: the number of cycles per unit distance </Td> <Td> m with direction </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Weight </Td> <Td> w </Td> <Td> Gravitational force on an object </Td> <Td> newton (N = kg ms) </Td> <Td> </Td> <Td> vector </Td> </Tr> <Tr> <Td> Work </Td> <Td> </Td> <Td> Transferred energy </Td> <Td> joule (J = kg m s) </Td> <Td> </Td> <Td> scalar </Td> </Tr> <Tr> <Td> Young's modulus </Td> <Td> </Td> <Td> Ratio of stress to strain </Td> <Td> pascal (Pa = kg m s) </Td> <Td> </Td> <Td> scalar; assumes isotropic linear material </Td> </Tr> </Table> <Tr> <Th> Derived quantity </Th> <Th> Symbol </Th> <Th> Description </Th> <Th> SI derived unit </Th> <Th> Dimension </Th> <Th> Comments </Th> </Tr>

Name the physical quantity whose one of the unit is metre per second
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