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Four particals have speed 2,3,4 and 5 cm...

Four particals have speed 2,3,4 and 5 cm/s respectively .Their rms speed is :

A

3.5 cm/s

B

`(27)/2` cm/s

C

`sqrt54`

D

`(sqrt54)/2` cm/s

Text Solution

Verified by Experts

The correct Answer is:
D
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