If Rotational Kinetic Energy Is 50% Of Total Kinetic Energy Then The Body Will Be

Sol:

As given:

Rotational Kinetic Energy = Translational Kinetic Energy

\(\Rightarrow \frac{1}{2} I\omega ^{2} = \frac{1}{2} mv ^{2}\)

As v =\( \omega r \) \(\Rightarrow I * \omega ^{2} = m * \omega ^{2}r^{2}\\\Rightarrow I = mr^{2}\)

Therefore, if rotational kinetic energy is 50% of total kinetic energy, then the body will be a ring.

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