Question

Four molecules have speeds 2 km/sec, 3 km/sec, 4 km/sec
and 5 km/sec. The root mean square speed of these
molecules (in km/sec) is
(a) √54 / 4 (b) √54 / 2
(c) 3.5 (d) 3 √3​

Answer 1

Answer:

b) √54 / 2 is answer dear friend