I would like to fine the kinetic energy of a cone that rotates around its simmetry axis.(adsbygoogle = window.adsbygoogle || []).push({});

I consider that the cone is formes by infinite cylinders with different radius and infinitesimal height. I end up with this result:

K=1/4w^2R^2hM

where w is the angular velocity R the radius h the height and M the mass of the cone.

Could you please tell me wheter or not this is correct ?

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# B Magnetic field force

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