MI of a thin circular disc about an axis passing through its centre and perpendicular to its plane is 1/2 `MR^2`, where M is the mass of the disc and R is its radius. Find an expression for radius of gyratiuon of the disc about an axis tangential to the edge and peerpendicular to the plane of rotation.

Find an expression for MI of a thin circular RING about an axis passing through its centre and perpendicular to the plane of the ring.

Calculate the moment of inertia of a ring about in axis passing through centre and perpendicular to its plane.

Calculate the moment of inertia of a circular disc passing through centre and perpendicular to its plane.

What is the equation of a plane passing through (-2, 4, -1) and perpendicular to X-axis ?

(a) Find the moment of inertia of a sphere about a tangent to the sphere, given the moment of inertia of the sphere about any of its diameters to be 2MR^2IS, where M is the mass of the sphere and R is the radius of the sphere(b) Given the moment of inertia of a disc of mass M and radius R about any of its diameters to be MR2I4, find its moment of inertia about an axis normal to the' disc and passing through a point on its edge.

A ring and a circular disc of different materials have equal masses and equal radii. Which one will have a larger moment of inertia about an axis passing through its centre of mass perpendicular to its plane?

Define moment of inertia and radius of gyration. Deduce an expression for MI of a circular disc about an axis passing through its centre. Two circular discs have their masses in the ratio 1:2 and their diameters 2:1 . Calculate the ratio of their moments of inertia

The foci of an ellipse with its centre as the origin are ( != 3, 0) and e = 1/2. Find the length of the minor axis and the equation of the clipse.