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A particle mass is tied to an ideal stri...

A particle mass is tied to an ideal string and whirled in a vertical circle of radius L, where L is off-course the length of the string. If the ratio of the maximum to minimum tension in the string throughout the motion is 2 : 1, then the maximum possible speed of the partcle will be:

A

`sqrt(11 gL)`

B

`sqrt(5 gL)`

C

`sqrt(10 gL)`

D

sqrt(3 gL)`

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The correct Answer is:
A
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