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The rotational kinctic energy of a body ...

The rotational kinctic energy of a body rotating about proportional to

A

time period

B

(time period)`""^2`

C

(time period)`""^(-1)`

D

(time period)`""^(–2)`

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The correct Answer is:
D
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MOTION-ROTATIONAL MOTION -Exercise - 1
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  2. A circular disc has a mass of 1kg and radius 40 cm. It is rotating abo...

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  3. The rotational kinctic energy of a body rotating about proportional to

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  4. When different regular bodies roll down along an inclined plane from r...

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  5. A solid cylinder starts rolling from a height h on an inclined plane. ...

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  6. A ring of mass 1kg and diameter 1m is rolling on a plane road with a s...

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  7. A disc is rolling without slipping. The ratio of its rotational kineti...

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  8. A cylinder of mass M and radius R rolls on an inclined plane. The gain...

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  9. A hoop having a mass of 1kg and a diameter of 1 meter rolls along a le...

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  10. The condition that a rigid body is rolling without slipping on an incl...

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  11. The acceleration down the plane of spherical body of mass m radius R a...

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  12. A sphere rolls down an inclined plane through a height h. Its velocity...

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  13. The linear and angular acceleration of a particle are 10 m/"sec"^(2) a...

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  14. A ring and a solid sphere of same mass and radius are rotating with th...

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  15. For rotational motion, the Newton's second law of motion is indicated ...

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  16. The rotational kinetic energy of a body is E. In the absence of extern...

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  17. A ring is rolling without slipping. Its energy of translation is E. It...

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  18. In the above question, if the disc executes rotatory motion, its angul...

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  19. Rotational power in rotational motion is -

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  20. A disc rolls down a plane of length L and inclined at angle theta, wit...

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