root-mean-square speed
physics
Learn about this topic in these articles:
gaseous collisions
- In gas: Pressure
…in terms of the so-called root-mean-square speed vrms. The vrms is the square root of the average of the squares of the speeds of the molecules: (
)1/2. From equation (19) the vrms is (3RT/M)1/2. At 20° C the value for air (M = 29) is 502Read More