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ADHI Ch12
Units of Measure
| Question | Answer |
|---|---|
| system of metric measurements adopted 1960; founded in 7 (SI) base units representing invariable physical measure | International System of Units (SI) |
| property length; meter | m |
| property mass; kilogram | kg |
| property time; second | s |
| property electric current; ampere | A |
| property thermodynamic temperature; kelvin | k |
| property luminous intensity; candela | cd |
| property amount of substance; mole | mol |
| property place angle; radian | rad |
| property solid angle; steradian | sr |
| other qualities of SI, defined in terms of 7 base quantities via a system of quantity equations | derived quantities |
| area; square meter | m² |
| volume; cubic meter | m³ |
| speed/velocity; meter per second | m/s |
| acceleration; meter per second squared | m/s² |
| wave number; reciprocal meter | m·¹ |
| mass density; kilogram per cubic meter | kg/m³ |