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Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The relation between length $L$ and radius $R$ of the cylinder, if its moment of inertia about its axis is equal to that about the equatorial axis, will be

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Answer:

Solution:

$\frac{m R^{2}}{2} = M (\frac{L^{2}}{12} + \frac{R^{2}}{4})$

or $\frac{R^{2}}{2} = \frac{L^{2}}{12} + \frac{R^{2}}{4}$

or $L = \sqrt{3} R$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:RotationSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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