A ceiling fan having moment of inertia 2 kg-m^(2) attains its maximum frequency of 60 rpm in '2 pi' seconds. Calculate its power rating

A ceiling fan having moment of inertia 2kg -m^2 attains its maximum frequency of 60 rpm in 2 (pi) seconds. Calculate its power rating.

A bar magnet of moment 2 Am^2 and having a moment of inertia 10^-6 kg-m^2 about a transverse axis passing through its centre is performing S.H.M in a magnetic induction 0.8xx10^-(5)frac(wb)(m^2) . Calculate the period of the bar magnet.

Two wheels of moment of inertia 4 kgm^2 rotate side by side of the rate of 120 r.p.m. and 240 r.p.m. respectively in the opposite direction. If now both the wheels are coupled by means of weightless shaft so that both the wheels now rotate with a common angular speed, find the new speed of rotation.

A wheel of moment of inertia 2 kg m^2 is rotating about an axis passing through centre and perpendicular to its plane at a speed 60 rad//s . Due to friction, it comes to rest in 5 minutes. The angular momentum of the wheel three minutes before it stops rotating is

Solid sphere of diameter 25 cm and mass 25 kg rotates about an axis through its center. Calculate its moment of inertia , if its angular velocity changes from 2 rad/s to 12 rad/s in 5 second. Also calculate the torque applied.

A metallic ring of mass 1 kg has moment of inertia 1 kg m^2 when rotating about one of its diameters. It is molten and remolded into a thin uniform disc of the same Radius. How much will its moment of inertia be, when rotated about its own axis.

A metallic ring of mass 1 kg has moment of inertia 1" kg m"^(2) when rotating about one of its diameters. It is molten and remoulded into a thin uniform disc of the same radius. How much will its moment of inertia be, when rotated about its own axis.

If a uniform solid sphere of radius R and mass m rotates about a tangent and has moment of inertia 42 kg m^2 , then the moment of inertia of a solid sphere about an axis passing through its centre and perpendicular to its plane will be

A metallic ring of a mass 1kg has moment of Inertia 1kgm^2 when rotating about one of its diameters. It is molten remolded into a thin uniform disc of the same radius. Find M.I. about central axis of uniform disc perpendicular to plane.