Units of Speed - Maple Programming Help

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Units of Speed

Description

 • Speed has the dimension length per time. The SI composite unit of speed is the meter per second.
 • Maple knows the units of speed listed in the following table.

 Name Symbols Context Alternate Spellings Prefixes kyne standard * kynes SI mach M standard * machs mile_per_hour mph standard * miles_per_hour knot SI knots

 An asterisk ( * ) indicates the default context, an at sign (@) indicates an abbreviation, and under the prefixes column, SI indicates that the unit takes all SI prefixes, IEC indicates that the unit takes IEC prefixes, and SI+ and SI- indicate that the unit takes only positive and negative SI prefixes, respectively.  Refer to a unit in the Units package by indexing the name or symbol with the context, for example, mach[standard] or mph[standard]; or, if the context is indicated as the default, by using only the unit name or symbol, for example, mach or mph.
 The units of speed are defined as follows.
 A kyne is defined as a centimeter per second.
 A mach is defined as the speed of sound at standard temperature and pressure, approximately $331.46$ meters per second.
 A mile per hour is defined as a standard mile per hour.

Examples

 > $\mathrm{convert}\left('\mathrm{kyne}','\mathrm{dimensions}','\mathrm{base}'=\mathrm{true}\right)$
 $\frac{{\mathrm{length}}}{{\mathrm{time}}}$ (1)
 > $\mathrm{convert}\left(2.1,'\mathrm{units}',\frac{'m'}{'s'},'\mathrm{mach}'\right)$
 ${0.006335606107}$ (2)
 > $\mathrm{convert}\left(65.0,'\mathrm{units}','\mathrm{kyne}',\frac{'\mathrm{mi}'}{'h'}\right)$
 ${1.454008590}$ (3)