A wheel rotating at an angular speed of 40 rad/s , is brought to rest by a constant torque in 5s.If the M.I is 0.3 kg. `m^2`, the work done in first 3s is:

A wheel rotating at an angular speed of 20 rad/s is brought to rest by a constant torque in 4.0 seconds. If the moment of inertia of the wheel about the axis of rotation is 0.20 kg-m^2 find the work done by the torque in the first two seconds.

A flywheel rotating at a speed of 600 rpm about its axis is brought to rest by applying a constant torque for 10 seconds. Find the angular deceleration and angular velocity 5 second after the application of the torque.

A wheel rotates with a constant angular velocity of 300 rpm. The angle through which the wheel rotates in 1 s is.

A wheel starts rotating with an-angular velocity of 2 rad/s. If it rotates with a constant angular acceleration 4 "rad/s"^2 what angle does the wheel rotate through in 2.0 s ? What is the angular speed, after 2.0 s.

A mass of 10 kg connected at the end of a rod of negligible mass is rotating in a circle of radius 30 cm with an angular velocity of 10 rad/s. If this mass is brought to rest in 10 s by a brake, what is the magnitude of the torque applied ?

A wheel of moment of inertia 0.500 kg-m^2 and radius 20.0 cm is rotating about its axis at an angular speed of 20.0 rad/s. It picks up a stationary particle of mass 200 g at its edge. Find the new angular speed of the wheel.

A diver having a moment of inertia of 6.0 kg-m^2 about an axis through its centre of mass rotates at an angular speed of 2 rad/s about this axis. If he folds his hands and feet to decrease the moment of inertia to 5.0 kg-m^2 what will be the new angular speed?

A wheel rotating at 12 rev s^(-1) is brought to rest in 6 s . The average angular deceleration in rad s^(-2) of the wheel during this process is

A flywheel having a radius of gyration of 2m and mass 10 kg rotates at an angular speed of 5 rad s^(-1) about an axis perpendicular to it through its centre. The kinetic energy of rotation is

A flywheel of moment of inertia 5.0 kg m^2 is rotated at a speed of 60 rad/s. Because of the friction at the axle, it comes to rest in 5.0 minutes. Find a. The average torque of the friction. B. the total work done by the friction and c. the angular momentum of the wheel 1 minute before it stops rotating.