A small object of uniform density rolls up a curved surface with an initial velocity v . It reaches up to a maximum height of 3 v^2 4 g with respect to the initial position. The object is

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Correct answer: D. disc

aligned 1 2 m v^2+ 1 2 I ( v R )^2 & =m g ( 3 v^2 4 g ) I & = 1 2 m R^2 aligned So, body is disc. The correct option is (d).

A small object of uniform density rolls up a curved surface with an initial velocity v . It reaches up to a maximum height of 3 v^2 4 g with respect to the initial position. The object is

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