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Particle sticks to wooden loop, If parti...

Particle sticks to wooden loop, If particle reach at the lowest position for first time after time T. Then displacement of centre of mass of system in this time interval will be :

A

`sqrt(((uT)/2)^(2)+R^(2))`

B

`sqrt((uT)^(2)+R^(2))`

C

`1/2sqrt((uT)^(2)+R^(2))`

D

None of these

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