Two iron solid discs of negligible thickness have radii R₁ and R₂ and moment of intertia I₁ and I₂ , respectively. For R₂=2 R₁ , the ratio of I₁ and I₂ would be 1 / x , where x = ________ -

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Given R₂=2 R₁ aligned & M₁= R₁^2=M_o & M₂= R₂^2=M_o & M₂= R₂^2= [2 R₁ ]^2= 4 R₁^2=4 M_o aligned I₁ I₂ = M₁ R₁^2 2 M₂ R₂^2 2 = M₁ R₁^2 M₂ R₂^2 = 1 4 1 4 = 1 16

Two iron solid discs of negligible thickness have radii R₁ and R₂ and moment of intertia I₁ and I₂ , respectively. For R₂=2 R₁ , the ratio of I₁ and I₂ would be 1 / x , where x = ________ -

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