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JEE Advanced 2025 - Mathematics

09-04-2024 S2

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A circular disc reaches from top to bottom of an inclined plane of length $l$. When it slips down the plane, if takes t s . When it rolls down the plane then it takes $\left(\frac{\alpha}{2}\right)^{1 / 2} \mathrm{ts}$, where $\alpha$ is $\_\_\_\_$

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