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

Four particles 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

`sqrt(54) cm//s`

D

`sqrt( 54)//2 cm//s`

Text Solution

Verified by Experts

The correct Answer is:
D
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