The average velocity and RMS velocity for a group of six particles having speeds 11.2,9.0,8.3,6.5,3.7 and `1.8m/sec` is

What is the velocity at 4 sec, if velocity at = 0 is 8m/s

The r.m.s. of speed of a group of 7 gas molecules having speed (6, 4, 2, 0,-2,-4,-6) m//s is

The rms velocity of smoke particles of mass 3 xx 10^(-17) kg. at 27^(@)C in m/sec. is.

The average velocity of gas molecules is 400 m/sec calculate its rms velocity at the same temperature.

A particle starts moving due east with a velocity V_(1) = 5 m/sec. for 10 sec, turns to north and moves with a velocity V_(2) = 10 m/sec. for 5 sec. Find the average velocity of the particle during 15 sec. from starting.