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Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

The moment of inertia of a solid sphere of radius $R$ about its diameter is same as the that of disc of radius $2 R$ about its diameter. The ratio of their masses is

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Answer:

Solution:

$\frac{2}{5} M_{s} R^{2} = \frac{M_{d} {(2 R)}^{2}}{4}$

or $\frac{M_{s}}{M_{d}} = \frac{5}{2}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:RotationSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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