Question

How many times would the rms speed of dust particles suspended in air ( moving in air) to that of molecules of air ? The mass of a dust particle is 10 kg and the mass of one mole air is 29 gram.
(A) 5.94 x 10^-8
(B) 6.94 x 10^-8
(C) 7.94 x 10^-8
(D) 8.94 x 10^-8
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Answer 1

Answer:

b

Explanation:

I think option b is right