Mean square velocity of five molecules of velocities 2 m/s, 3 m/s, 4 m/s, 5 m/s and 6 m/s is..
(A) 10m/s
(B) 18m/s
(C) 20m/s
(D) 15m/s
FOLLOW 4 FOLLOW !!
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Answer:
answer will be 20m/s I'm sure
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