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Physics - Rotation Question with Solution | TestHub

PhysicsRotationMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A solid cylinder of mass $M$ and radius $R$ rolls from rest down a plane inclined at an angle $θ$ to the horizontal. The velocity of the centre of mass of the cylinder after it has rolled down a distance $d$ is -

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Answer:

Solution:

$v = \sqrt{2 a d} = \sqrt{2 \frac{g \sin θ}{1 + \frac{K^{2}}{R^{2}}} . d}$

Here $\frac{K^{2}}{R} = \frac{1}{2}$

$∴ v = \sqrt{\frac{4 g d \sin θ}{3}}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:RotationSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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