When `200 J` of work is done on a fly wheel its frequency of rotation increase from `4Hz` to `9 Hz`. The `M.I.` of the wheel about the axis of rotations is nearly

When 200J of work is done on a fly wheel its frequency of rotation increases from 4Hz to 9Hz . The M.I. of the wheel about the axis of rotation is

When 'W' joule of work is done on a flywheel, its frequency of rotation increases from n_(1) . Hz to n_(2) . Hz The M.I. of the flywheel about its axis of rotation is given by

When a 12000 joule of work is done on a flywheel, its frequency of rotation increases from 10 Hz to 20 Hz. The moment of inertia of flywheel about its axis of rotation is (pi^(2) = 10)