A flywheel is in the form of a uniform circular disc of radius `1 m` and mass `2 kg`. The work which must be done on it to increase its frequency of rotation from `5` to `10 rev//s` is approximately

A 40 kg flywheel in the from of a uniform circular disc of 1 m radius is making 120 rpm. Calculate the angular momentum.

A 40 kg flywheel in the formof a uniform circlular disc of 1m radius is making 120 rpm. Calculate the angular momentum.

A 40 kg flywheel in the form of a uniform circular disc of 1 m radius is rotating at 120 rpm. Calculate the angular momentum.

A flywheel is in the form of solid circular wheel of mass 72 kg and radius of 0.5 m and it takes 70 rpm, then the energy of revolution is

A uniform thin rod of length 1m and mass 3kg is attached to a uniform thin circular disc of radius 30cm and mass 1kg at its centre perpendicular to its plane. The centre of mass of the combination from the centre of disc is

A disc of radius 1m and mass 1 kg is rotating with 40 radians/sec. the torque required to stop it in 10sec will be

Calculate moment of inertia of a uniform circular disc of mass 10 kg and diameter 0.5 m about a tangent perpendicular to the plane of the disc.

A 40 kg flywheel in from of a circular disc of =1 m radius is making 120revolutions per minute. Calculate its angular momentum. [ I = 1/2m times r^2 ]