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In the above question, if the disc execu...

In the above question, if the disc executes rotatory motion, its angular acceleration will be :-

A

`2.5 "rad/sec"^2`

B

`5 "rad/sec"^2`

C

`10 "rad/sec"^2`

D

`20 "rad/sec"^2`

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The correct Answer is:
A
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MOTION-ROTATIONAL MOTION -Exercise - 1
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  3. A solid cylinder starts rolling from a height h on an inclined plane. ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. Rotational power in rotational motion is -

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

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  19. A spherical shell and a solid cylinder of same radius rolls down an in...

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  20. A disc of mass M and radius R rolls on a horizontal surface and then r...

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