Question

definition of RMS velocity

Answer 1

hey.. here is ur answer....

RMS velocity means root mean square velocity it is the the square root of the average of the square of the velocity. 

hope this helps you mark this answer as brainlist answer

thank you ✌✌✌

Answer 2

its full form is room -mean -square -speed
velocitya vector quantity the rate of change of position, with respect to time or a speed with a directional component.
hard word meaning--------
vector quantity= a quantity that has both magnitude and direction.