A circular disc is rotating about its own axis, the direction of its angular momentum is

When a circular disc of radius 0.5 m is rotating about its own axis, then the direction of its angular momentum is

A circular disc is rotating about its own axis at constant angular acceleration. If its angular velocity increases from 210 rpm to 420 rpm during 21 rotations then the angular acceleration of disc is

A circular disc is rotating about its own axis at the rate of 200 revolutions per minute. Two particles P,Q of disc are at distances 5cm,10cm from axis of rotation. The ratio of angular velocities of P and Q is

A circular disc is rotating about its own axis at a uniform angular velocity omega . The disc is subjected to uniform angular retardation by which its angular velocity is decreased to omega/2 during 120 rotations. The number of rotations further made by it before coming to rest is

A circular of radius 20 cm is rotating about its own axis at an angular velocity omega . The angular velocity of a particle 'A' which is at a distance 10 cm from the axis of rotation is

A circular disc is rotating about its own axis at uniform rate completes 30 rotations in one minute.The angular velocity of disc in rad s^(-1) is

A circular disc of mass 4kg and of radius 10cm is rotating about its natural axis at the rate of 5 rad//sec . Its angular momentum is

A metallic circular wheel is rotating about its own axis without friction. If the radius of wheel expands by 0.2% , percentage change in its angular velocity

A uniform circular disc of radius R is rotating about its own axis with moment of inertia I at an angular velocity omega if a denser particle of mass m is gently attached to the rim of disc than its angular velocity is

A circular plate is rotating about its own axis at an angular velocity 100 revolutions per minute. The linear velocity of a particle P of plate at a distance 4.2 cm from axis of rotation is