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What will be the duration of the day of ...

What will be the duration of the day of earth if the earth suddenly shrinks to `1/27` of its original volume, mass remains unchanged ?

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MODERN PUBLICATION-Moment of Inertia-Example
  1. A thin circular ring of mass M and radius R is rotating about its axis...

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  2. A ball at the end of a string is being swung in a horizontal circle of...

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  3. What will be the duration of the day of earth if the earth suddenly sh...

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  4. A cylindrical hoop is released from rest at a height of 0.7 m near the...

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  5. A solid cylinder rolls down an inclined plane. Its mass is 2kg and rad...

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  6. A cylinder of mass 10 kg and radius 15 cm is rolling perfectly on a pl...

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  7. A cylinder of mass 10 kg is rolling perfectly on a plane of inclinatio...

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  8. Three particles A, B and C, each of mass m, are connected to each othe...

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  9. Three particles A, B and C, each of mass m, are connected to each othe...

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  10. From a circular disc of radius r and mass 9M a small disc of radius r/...

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  11. A rod of length l and mass m is hinged at point O. A small bullet of ...

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  12. A homogeneous rod AB of length L= 1.8 m and mass M is pivoted at the c...

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  13. A thin uniform bar lies on a frictionless horizonta surface and is fre...

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  14. A small sphere rolls down without slipping from the top of a track in ...

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  15. A carpet of mass M made of inextensible material is rolled along its l...

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  16. A uniform circular disc has radius R and mass m. A particle also of ma...

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  17. Define moment of inertia

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  18. Is there any difference between moment of inertia and rotational inert...

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  19. Why M.I. of called rotational inertia?

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  20. Define the term electric dipole moment. Is it a scalar or a vector qua...

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