150139 A circular disc ' \(X\) ' of radius ' \(R\) ' made from iron plate of thickness ' \(t\) ' has moment of inertia ' \(I_{x}\) ' about an axis passing through the centre of disc and perpendicular to its plane. Another disc ' \(Y\) ' of radius ' \(3 R\) ' made from an iron plate of thickness \(\left(\frac{t}{3}\right)\) has moment of inertia ' \(I_{y}\) ', about the axis same as that of disc \(X\). The relation between \(I_{x}\) and \(I_{y}\) is

150140 Two rings of radii \(R\) and \(n R\) made from the same wire have the ratio of moments of inertia about an axis passing through their centre and perpendicular to the plane of the rings is \(1: 8\). The value of \(\mathbf{n}\) is

150141 The torque necessary to produce an angular acceleration of 25 rad. \(\mathrm{s}^{-2}\) in a flywheel of mass \(50 \mathrm{~kg}\) and radius of gyration \(50 \mathrm{~cm}\) about its axis is

150142 The moment of inertia of a slab about a perpendicular axis passing through in centre is
\(M\left(\frac{\mathbf{a}^{2}+\mathbf{b}^{2}}{12}\right)\). The value of radius of Gyration,
\(K\) is

150139 A circular disc ' \(X\) ' of radius ' \(R\) ' made from iron plate of thickness ' \(t\) ' has moment of inertia ' \(I_{x}\) ' about an axis passing through the centre of disc and perpendicular to its plane. Another disc ' \(Y\) ' of radius ' \(3 R\) ' made from an iron plate of thickness \(\left(\frac{t}{3}\right)\) has moment of inertia ' \(I_{y}\) ', about the axis same as that of disc \(X\). The relation between \(I_{x}\) and \(I_{y}\) is

150140 Two rings of radii \(R\) and \(n R\) made from the same wire have the ratio of moments of inertia about an axis passing through their centre and perpendicular to the plane of the rings is \(1: 8\). The value of \(\mathbf{n}\) is

150141 The torque necessary to produce an angular acceleration of 25 rad. \(\mathrm{s}^{-2}\) in a flywheel of mass \(50 \mathrm{~kg}\) and radius of gyration \(50 \mathrm{~cm}\) about its axis is

150142 The moment of inertia of a slab about a perpendicular axis passing through in centre is
\(M\left(\frac{\mathbf{a}^{2}+\mathbf{b}^{2}}{12}\right)\). The value of radius of Gyration,
\(K\) is

150139 A circular disc ' \(X\) ' of radius ' \(R\) ' made from iron plate of thickness ' \(t\) ' has moment of inertia ' \(I_{x}\) ' about an axis passing through the centre of disc and perpendicular to its plane. Another disc ' \(Y\) ' of radius ' \(3 R\) ' made from an iron plate of thickness \(\left(\frac{t}{3}\right)\) has moment of inertia ' \(I_{y}\) ', about the axis same as that of disc \(X\). The relation between \(I_{x}\) and \(I_{y}\) is

150140 Two rings of radii \(R\) and \(n R\) made from the same wire have the ratio of moments of inertia about an axis passing through their centre and perpendicular to the plane of the rings is \(1: 8\). The value of \(\mathbf{n}\) is

150141 The torque necessary to produce an angular acceleration of 25 rad. \(\mathrm{s}^{-2}\) in a flywheel of mass \(50 \mathrm{~kg}\) and radius of gyration \(50 \mathrm{~cm}\) about its axis is

150142 The moment of inertia of a slab about a perpendicular axis passing through in centre is
\(M\left(\frac{\mathbf{a}^{2}+\mathbf{b}^{2}}{12}\right)\). The value of radius of Gyration,
\(K\) is

150139 A circular disc ' \(X\) ' of radius ' \(R\) ' made from iron plate of thickness ' \(t\) ' has moment of inertia ' \(I_{x}\) ' about an axis passing through the centre of disc and perpendicular to its plane. Another disc ' \(Y\) ' of radius ' \(3 R\) ' made from an iron plate of thickness \(\left(\frac{t}{3}\right)\) has moment of inertia ' \(I_{y}\) ', about the axis same as that of disc \(X\). The relation between \(I_{x}\) and \(I_{y}\) is

150140 Two rings of radii \(R\) and \(n R\) made from the same wire have the ratio of moments of inertia about an axis passing through their centre and perpendicular to the plane of the rings is \(1: 8\). The value of \(\mathbf{n}\) is

150141 The torque necessary to produce an angular acceleration of 25 rad. \(\mathrm{s}^{-2}\) in a flywheel of mass \(50 \mathrm{~kg}\) and radius of gyration \(50 \mathrm{~cm}\) about its axis is

150142 The moment of inertia of a slab about a perpendicular axis passing through in centre is
\(M\left(\frac{\mathbf{a}^{2}+\mathbf{b}^{2}}{12}\right)\). The value of radius of Gyration,
\(K\) is