The variation of density of a solid cylindrical rod of cross sectional area \alpha and length L is \rho=\rho_0 \frac{x^2}{L^2}, where x is the distance from one end of the rod. The position of its centre of mass from one end (x=0) is

WBJEE 2025 Physics and Chemistry Papers

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The variation of density of a solid cylindrical rod of cross sectional area α and length L is ρ=ρ0‌

, where x is the distance from one end of the rod. The position of its centre of mass from one end (x=0) is

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