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