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#### Question

A wheel of moment of inertia 1 Kgm^{ 2 }is rotating at a speed of 40 rad/s. Due to friction on the axis, the wheel comes to rest in l 0 minutes. Calculate the angular momentum of the wheel, two minutes before it comes to rest.

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#### Similar questions

A solid cylinder of uniform density of radius 2 cm has mass of 50 g. If its length is 12 cm, calculate its moment of inertia about an axis passing through its centre and perpendicular to its length.

The moment of inertia of a thin uniform rod of mass M and length L, about an ·axis passing through a point,midway between the centre and one end, perpendicular to its length is .

(a)`48/7ML^2`

(b)`7/48ML^2`

(c)`1/48ML^2`

(d)`1/16ML^2`

State the theorem of parallel axes about moment of inertia.

A body of moment of inertia 5 kgm^{2} rotating with an angular velocity 6 rad/s has the same kinetic energy as a mass of 20 kg moving with a velocity of ......

(a) 5 m/s

(b) 4 m/s

(c) 3 m/s

(d) 2 m/s

A thin wire of length L and uniform linear mass density r is bent into a circular coil. M. I. of the coil about tangential axis in its plane is ................................

- `(3rhoL^2)/(8pi^2)`
- `(8pi^2)/(3rhoL^2)`
- `(3rhoL^3)/(8pi^2)`
- `(8pi^2)/(3rhoL^3)`