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What would be the period of the free oscillations of the system shown here if mass `M_(1)` is pulled down a little force constant of the spring is `k`, mass of fixed pulley is negligible and movable pulley is smooth

A

`2 pi sqrt((4M_(1) + M_(2))/(k))`

B

`2 pi sqrt((4M_(2) + M_(1))/(k))`

C

`4 pi sqrt((4M_(1) + M_(2))/(k))`

D

` pi sqrt((4M_(1) + M_(2))/(k))`

Text Solution

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The correct Answer is:
A
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