Question

find the ratio of the translational kinetic energy to total kinetic energy of Rolling disc.

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Answer 1

Answer:

We need to find the ratio of rotational kinetic energy and translational kinetic energy of a rolling circular disc. The rotational KE of the Disc is 12(Iω2) I is the moment of inertia and ω is the angular momentum. Dividing (1) from (2) we get the new equation as: 2MV24MV2=12