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

Explanation:

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Answer 2

Answer:

√54/4

Explanation:

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