A chord is tied to a wheel of moment of ...

A chord is tied to a wheel of moment of inertia `I` and radius `r`. The other end is attached to a mass `m` as shown. If the mass `m` falls by a height `h` then the square of angular speed of the wheel is ?

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B

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