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Aspring of weight W and force constant k...


Aspring of weight W and force constant k is suspended in a horizontal position by two light strings attached to its two ends. Each string makes and angle `theta` with the vertical .The extension of the sporing is

A

`(W//4k)tantheta`

B

`(W//2k)tantheta`

C

`(W//4k)sintheta`

D

0

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The correct Answer is:
B
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