A body rolls down an inclined plane without slipping. The kinetic energy of rotation is 50 % of its…

A body rolls down an inclined plane without slipping. The kinetic energy of rotation is 50% of its translational kinetic energy. The body is:
  1. solid sphere
  2. solid cylinder
  3. hollow cylinder
  4. ring

Solution

12Iω2=12×12mv2

I=12 mR2

Body is solid cylinder.

Asked in: JEE Main 2021 (20 Jul Shift 2)

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