A uniform rod AB of mass 3m and length 2a has a point mass 2m...

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A uniform rod AB of mass 3m and length 2a has a point mass 2m attached at B. The rod is free to rotate in vertical plane about a smooth horizontal axis passing through point A. An impulse of J = m ?21 ag is given at B perpendicular to rod as shown. Which of the following statements is/are correct? Moment of inertia of whole assembly about the axis through point A is 12ma Distance of centre of mass of the system from point A is a 7/6aThe rod turns an angle of 60 before coming to instantaneous rest for first time The rod completes full circle in vertical plane

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