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A block is suspended by an ideal spring ...

A block is suspended by an ideal spring of force constant force F and if maximum displacement of block from its initial mean position of rest is `x_(0)` then

A

increase in energy stored in spring is `kx_(0)^(2)`

B

`x_(0)=(3F)/(2k)`

C

`x_(0)=(2F)/(k)`

D

work done by applied force F is `Fx_(0)`

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The correct Answer is:
C, D
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