Question

A disc and a ring having same mass and radius rotating about their diameter, the ratio of moment of inertia is,​

Answer 1

Explanation:

Moment of inertia of disc

I

disc

=

2

MR

2

Moment of inertia of ring I

ring

=MR

2

Therefore, A has less moment of inertia than B because of which A has less rotational kinetic energy than B.

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Answer 2

Answer:

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