A ball is wbhirled ina circle by attaching it to a fixed point with a string. Is the an angular rotatioin of the ball about its centre? If yes, is this angular velocity equal to the angular velocity of the ball about the fixed point.

A particle moving parallel to x-axis as shown in fig. such that at all instant the y-axis component of its position vector is constant and is equal to 'b'. Find the angular velocity of the particle about the origin when its radius vector makes angle theta from the axis.

Write the change in magnitude and direction of angular velocity with respect to time of a rotating body about a fixed axis.

A point on the rim of a disc starts circular motion from rest and after time t, it gains an angular acceleration given by alpha=3t-t^(2) . Calculate the angular velocity after 2 s.

A body rotates about a fixed axis with an angular acceleration of 5 rad//s^(2) The angle rotated by it during the time when its angular velocity increases frm 20 rad/s to 30 rad/s (in radian) is

A body rotates about a fixed axis with an angular acceleration of 3 rad//s^(2) The angle rotated by it during the time when its angular velocity increases frm 10 rad/s to 20 rad/s (in radian) is

A body rotates about a fixed axis with an angular acceleration of 5 rad//s^(2) The angle rotated by it during the time when its angular velocity increases frm 10 rad/s to 20 rad/s (in radian) is

Derive the equation of angular momentum in the case of rotational motion about a fixed axis.

A round disc of moment of inertia I_(2) about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia I_(1) rotating with an angular velocity omega about the same axis. The final angular velocity of the combination of disc is.............

A hemisphere of radius R and mass 4 m is free to slide with its base on a smooth horizontal table . A particle of mass m is placed on the top of the hemisphere . The angular velocity of the particle relative to centre of hemisphere at an angular displacement theta when velocity of hemisphere has become v is