va_
- plasmapy.formulary.speeds.va_(
- B: Annotated[Quantity, Unit('T')],
- density: Unit('1 / m3'), Unit('kg / m3'),
- ion: str | int | integer | Particle | CustomParticle | Quantity | None = None,
- *,
- mass_numb: int | None = None,
- Z: float | None = None,
Alias to
Alfven_speed.