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A block of mass m attached in the lower ...

A block of mass `m` attached in the lower and vertical spring The spring is hung from a calling and force constant value `k` The mass is released from rest with the spring initially unstreched The maximum value of extension produced in the length of the spring will be

A

`(2Mg)/(k)`

B

`(4Mg)/(k)`

C

`(Mg)/(2k)`

D

`(Mg)/(k)`

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The correct Answer is:
A
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