Calculate the angular frequency of the s...

Calculate the angular frequency of the system shown in figure. Friction is absent everywhere and the threads, spring and pulleys are massless. Given that `m_(A) = m_(B) = m`.

A

`sqrt((2k)/(4m))`

B

`sqrt((4k)/(5m))`

C

`sqrt((6k)/(7m))`

D

`sqrt((8k)/(5m))`

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The correct Answer is:

B

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