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Three massless rods are fixed to form a right angled triangular frame such that AB=BC=1 . Two identical small objects of mass m are fixed at A and C . The frame is hinged about B such that the frame can rotate in vertical plane about an horizontal axis without friction. Initially AB is vertical and BC is horizontal and the system is released from rest.

The maximum shift of centre of mass of two mass system from its initial position is

A

`sqrt(2)`l

B

1.5 l

C

`l//sqrt(2)`

D

2 l

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The correct Answer is:
A
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