Convert hectometer/hour to sound speed in air (20 Celcius 60 per cent humidity)
Selected category: speed.
Definition and details for hectometer/hour:
Hectometer per hour is a unit of velocity equal to about 0.0278 m/sec.
Definition and details for sound speed in air (20 Celcius 60 per cent humidity):
Sound speed in the air varies depending on the density and temperature of the air. Conversion center here calculates sound speed at 20 ºC and 60% humidity air