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A platform diver holds his hands and leg...

A platform diver holds his hands and legs straight and makes loops in air before entering into water.
In the above situation,rotational kinetic energy is not conserved.Explain.

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MAXIMUM PUBLICATION-SYSTEM OF PARTICLE AND ROTATIONAL MOTION-EXERCISE
  1. A platform diver holds his hands and legs straight and makes loops in ...

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  2. A platform diver holds his hands and legs straight and makes loops in ...

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  3. A platform diver holds his hands and legs straight and makes loops in ...

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  4. Moment of inertia of a thin ring of Radius R about an axis passing thr...

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  5. A thin metal ring of radius 0.25m and mass 2kg starts from rest and ro...

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  6. State the principle used by a ballet dancer to increase his/her angula...

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  7. State the principle used by a ballet dancer to increase his/her angula...

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  8. What is the radius of gyration of the ring about an axis passing throu...

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  9. The moment of inertia of a thin ring of Radius R about an axis passing...

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  10. The earth revolves around the sun in an elliptical orbit. The closest ...

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  11. As the earth approaches near the sun in its path,it moves faster. Stat...

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  12. A solid sphere of mass 3kg rolls on a horizontal surface with a linear...

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  13. A ring,disc and a sphere all of the same mass and radius roll down an ...

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  14. A grindstone has moment of inertia 0.5kgm^2.What constant torque shoul...

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  15. A grindstone has moment of inertia 0.5kgm^2.What constant torque shoul...

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  16. In the HCl molecule, the Separation between the nuclei of the two atom...

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  17. A child sits stationary at one end of a long trolley moving uniformly ...

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  18. a) Find the moment of inertia of a sphere about a tangent to the spher...

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  19. A solid cylinder of mass 20kg rotates about its axis with angular spee...

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  20. A rope of negligible mass is wound round a hollow cylinder of mass 3kg...

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