pmutt.constants.c

pmutt.constants.c(units)

Speed of light

Parameters:

units (str) –

Units for c. Supported units

Unit	Description	Value
m/s	Meter per second	299792458
cm/s	Centimeter per second	299792458e2

Returns:

c – Speed of light in appropriate units

Return type:

float

Raises:

KeyError – If units is not supported.