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An ideal spring with a spring constant '...

An ideal spring with a spring constant 'K' is hung from the ceiling and a block of mass 'm' is attached to its lower end. The mass is released with spring initially unstretched. Then the maximum extension in the spring is 

A

`4 mg//K`

B

`2mg//K`

C

`mg//K`

D

`mg//2K`

Text Solution

Verified by Experts

The correct Answer is:
B
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