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  • The velocity of 10 gas molecule in a container is 2,33,3,4,4,4,5,5,7 and 10 km/s respectively. Find out the mean velocity and rms speedOption: 1 5.18

The velocity of 10 gas molecule in a container is 2,33,3,4,4,4,5,5,7 and 10 km/s respectively. Find out the mean velocity and rms speed

Option: 1

5.18 Km/s


Option: 2

6.18 Km/s


Option: 3

7.18 Km/s


Option: 4

5 Km/s


Answers (1)

best_answer

mean velocity (\bar{c}) =\frac{2+3+3+4+4+4+5+5+7+10}{10}=\frac{47}{10}=4.7 \mathrm{~km} / \mathrm{s}

rms speed \begin{aligned} & =\sqrt{\frac{2^2+3^2+3^2+4^2+4^2+4^2+5^2+5^2+7^2+10^2}{10}} \\ & =\sqrt{\frac{269}{10}}=\sqrt{26.9} \end{aligned}

                      = 5.18 Km/s

Posted by

Pankaj Sanodiya

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