Si Units

Some articles on si units, unit, units, si:

Cauchy Number
... (elastic force) in a flow and can be expressed as , where = density of fluid, (SI units kg/m3) = local fluid velocity, (SI units m/s) = bulk modulus of elasticity, (SI units Pa) ...
Natural Units - Electromagnetism Units
... In SI units, electric charge is expressed in coulombs, a separate unit which is additional to the "mechanical" units (mass, length, time), even though the traditional definition of the ... In natural unit systems, however, electric charge has units of 1/2 3/2 −1 ... There are two main natural unit systems for electromagnetism Lorentz–Heaviside units (classified as a rationalized system of electromagnetism units) ...
Molar Mass Constant
... Its value is defined to be 1 g/mol in SI units ... quantity, and cannot take the units of grams per mole ... of physical constants whose values are fixed by the definitions of the International System of Units (SI), in these cases by the definitions of the metre and the ampere ...
Customary Units In The United States - History
... system of units is similar to the British imperial system ... Both systems derive from the evolution of local units over the centuries, as a result of standardization efforts in the United Kingdom the local units themselves mostly trace back to Roman ... Today, these units are defined in terms of SI units ...
Relation Between Cauchy Number and Mach Number
... If the fluid obeys the ideal gas law, we have , where = speed of sound, (SI units m/s) = characteristic gas constant, (SI units J/(kg K) ) = temperature ...

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