Topic 2 - Units of Measurement, Trig and Coordinate Systems Flashcards
1
Q
Length (L or l) is measured in metres [m]
A
The metre is the distance travelled by light in vacuum during a time of 1/299792458
seconds
2
Q
Mass (M or m) is measured in kilograms [kg]
A
The kilogram is the mass of a specific platinum-iridium alloy cylinder kept at the
International Bureau of Weights and Measures in France
3
Q
Time (T or t) is measured in seconds [s]
A
The second is defined as 9,192,631,700 times the period of oscillation of radiation from the cesium atom “cesium atomic clock” example on the right
4
Q
Common Conversions of dimensions
A
