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If a spherical ball rolls on a table wit...

If a spherical ball rolls on a table without slipping, the fraction of its total energy associated with rotation is

A

`(2)/(5)`

B

`(2)/(7)`

C

`(3)/(5)`

D

`(3)/(7)`

Text Solution

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The correct Answer is:
B
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ERRORLESS -ROTATIONAL MOTION-Practice Problems (Problems based on kinetic energy, work and power)
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  9. A disc of mass 4 kg and of radius 1 m rolls on a horizontal surface wi...

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  10. The ratio of kinetic energies of two spheres rolling with equal centre...

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  11. A symmetrical body of mass M and radius R is rolling without slipping...

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  12. A solid sphere of mass 1 kg rolls on a table with linear speed 1 m/s. ...

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  13. A circular disc has a mass of 1kg and radius 40 cm. It is rotating abo...

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  15. If a body completes one revolution in pi sec then the moment of inerti...

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  16. A tangential force F is applied on a disc of radius R, due to which it...

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  17. If the rotational kinetic energy of a body is increased by 300 %, then...

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