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A flywheel rotating about a fixed axis h...

A flywheel rotating about a fixed axis has a kinetic energy of `360J` when its angular speed is `30` radian `s^(-1)` . The moment of inertia of the wheel about the axis of rotation is

A

`0.6 kg m^(2)`

B

`0.15 kg m^(2)`

C

`0.8 kg m^(2)`

D

`0.75 kg m^(2)`

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AAKASH INSTITUTE ENGLISH-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - A) Objective Type Questions (One option is correct)
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  2. The moment of inertia of a uniform cicrular disc about its diameter is...

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  3. A flywheel rotating about a fixed axis has a kinetic energy of 360J wh...

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  4. We have two spheres, one of which is hollow and the other solid. They ...

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  5. The moment of inertia of a body about a given axis is 1.2 kg m^(2). In...

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  6. A solid cylinder of mass 20 kg rotates about its axis with angular vel...

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  7. A solid sphere is rolling without slipping on a horizontal plane. The ...

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  8. If I(1) is the moment of inertia of a thin rod about an axis perpendic...

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  9. A wheel of moment of inertia 30 kg m^(2) is rotating at 10 rotations p...

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  10. A ring of mass 1kg and radius 1m is moving with a velocity of 1m//s by...

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  11. A disc and a ring of the same mass are rolling down frictionless incli...

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  12. The moment of inertia of a thing uniform rod of length L and mass M, a...

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  13. Two bodies with moment of inertia l(1) and l(2) (l(1) gt l(2)) have eq...

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  14. From a circular disc of mass M and radius R, a part of 60^(@) is remov...

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  15. A body is rolling without slipping on a horizontal plane. The rotation...

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  16. The angular velocity of a body is vecomega=3hati+5hatj+6hatk("radian"/...

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  17. When a solid cylinder rolls without slipping the ratio of kinetic ener...

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  18. The torque required to stop a wheel having moment of inertia 5xx10^(-3...

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  19. The position vector of a point is (3hati-2hatj+6hatk)m. The i^(th) com...

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  20. A particle performing uniform circular motion gas angular momentum L. ...

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