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A wheel of moment of inertia 0.10" kg-m"...

A wheel of moment of inertia `0.10" kg-m"^(2)` is rotating about a shaf at an angular speed of 160 rev/minute. A second wheel is set rotation at 300 rev/minute and is coupled to the same shaft so that both the wheels finally rotate with a common angular speed of 200 rev/minute. The moment of inertia of the second wheel is `(x)/(100)"kgm"^(2)`. then x is _______.

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