A disc of radius 4m is rotating about its fixed centre with a constant angular velocity `2(rad)/(s)` (in the horizontal plane).A block is also rotating with the disc without slipping. If co-efficient of friction between the block and the disc is `0.4` ,then the maximum distance at which the block can rotate without

A disc of mass 1 kg and radius 10 cm is rotating about its axis with an anuglar velocity of 2 rad/s. The linear momentum of the disc,

A homogeneous disc of mass 2 kg and radius 15 cm is rotating about its axis with an angular velocity of 4 rad/s. the linear momentum of the disc is

A circular copper disc of radius 25 cm is rotating about its own axis with a constant angular velocity of 130 rad//s . If a magnetic field of 5xx10^(-3) Tesla is applied at right angles to the disc, then the induced potential difference between the centre and the rim of the disc will approximately be __

A copper disc of radius 1m is rotated about its natural axis with an angular velocity 2 "rad"//"sec" in a uniform magnetic field 5 telsa with its plane perpendicular to the field. Find the emf induced between the centre of the disc and its rim.

A uniform disc of mass m and radius R I rotated about an axis passing through its centre and perpendicular to its plane with an angular velocity omega_() . It is placed on a rough horizontal plane with the axis of the disc keeping vertical. Coefficnet of friction between te disc and the surface is mu , find (a). The time when disc stops rotating (b). The angle rotated by the disc before stopping.

A coin placed on a horizontal rotating disc, with its centre at 10 cm from the centre of the disc, is about to slip off when the disc performs 60 rpm. Find the coefficient of friction between the coin and the disc.

A body is kept on a horizontal disc of radius 2 m at a distance of 1 m from the centre . The coefficient of friction between the body and the surface of disc is 0.4. The speed of rotation of the disc at which the body starts slipping is (g=10 m//s^2 )

A disc of mass 1 kg and radius 0.1 m is rotating with angular velocity 20 rad/s. What is angular velocity (in rad/s) if a mass of 0.5 kg is put on the circumference of the disc ?

A circular disc of radius R is rotating about its axis O with a uniform angular velocity omega"rad s"^(-1) as shown in the figure. The magnitude of the relative velocity of point A relative to point B on the disc is