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A solid sphere of radius 'r' is rolling ...

A solid sphere of radius 'r' is rolling on a horizontal surface. The ratio between the rotational kinetic energy and total energy

A

`6/7`

B

`2/7`

C

`1/2`

D

`1/7`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ROTATIONAL DYNAMICS -PRACTICE SHEET (Exercise - IV) (LEVEL - I Straight Objective Type Questions)
  1. A hollow sphere and solid sphere having same mass and same radii are r...

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  2. A sphere cannot roll on

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  3. A sphere is rolled on a rough horizontal surface It graduatly shown do...

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  4. A sphere can roll on a surface inclined at an angle theta if friction ...

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  5. In pure rolling motion f a ring (a) it rotates about instantaneous p...

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  6. (A) : A disc released from the top of a fixed inclined plane rolls dow...

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  7. (A) : The velocity of a body at the bottom of an inclined plane of giv...

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  8. (A) : In rolling, all points of a rigid body have the same linear spee...

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  9. A solid sphere rolls down without slipping from rest on a 30^(0) incli...

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  10. A hollow sphere rolls down a 30^(0) incline of length 6m without slipp...

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  11. For a body rolling along a level surface, the translational and rotati...

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  12. A ring is allowed to roll down on an incline of 1 in 10 without slippi...

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  13. A cylinder is released from rest from the top of an incline of inclina...

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  14. For a body rolling along a level surface, without slipping the transla...

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  15. A solid sphere and a spherical shell roll down an incline from rest fr...

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  16. When a solid sphere is rolling along level surface the percentage of i...

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  17. A solid sphere of radius 'r' is rolling on a horizontal surface. The r...

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  18. A ring and a disc of same mass roll without slipping along a horizonta...

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  19. When a hollow sphere is rolling without slipping on a rough horizontal...

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  20. A uniform solid sphere of mass 0.5 kg rolls on a horizontal surface wi...

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