Circular disc of mass 2 kg and radius 1 m is rotating about an axis perpendicular to its plane and passing through its centre of mass with a rotational kinetic energy of 8 J. The angular momentum is (Js) is

Circular disc of mass 2kg and radius 1 metre is rotating about an axis perpendicular to its plane and passing through its centre of mass with a rotational kinetic energy of 8Joules. The angular momentum in (J sec) is

Radius of gyration of disc rotating about an axis perpendicular to its plane passing through its centre is (If R is the radius of disc)

Radius of gyration of disc rotating about an axis perpendicular to its plane passing through through its centre is (If R is the radius of disc)

A flywheel of mass 0.2 kg and radius 10 cm is rotating with 5//pi "rev/s" about an axis perpendicular to its plane passing through its centre. Calculate angular momentum and kinetic energy of flywheel.

A flywheel of mass 0.2 kg and radius 10 cm is rotating with 5/pi (rev)/s about an axis perpendicular to its plane passing through its centre. Calculate angular momentum and kinetic energy of flywheel.

A circular ring of diameter 40 cm and mass 1 kg is rotating about an axis normal to its plane and passing through the centre with a frequency of 10 rps. Calculate the angular momentum about its axis of rotation.

A quarter disc of radius R and mass m is rotating about the axis OO' (perpendicular to the plane of the disc) as shown. Rotational kinetic energy of the quarter disc is

A quarter disc of radius R and mass m is rotating about the axis OO' (perpendicular to the plane of the disc) as shown. Rotational kinetic energy of the quarter disc is