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Rotational Dynamics — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsRotational Dynamics1 Mark
Question
A spherical shell rolls down a plane inclined at 30° to the horizontal. What is its acceleration ?
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Answer

The acceleration of the spherical shell,
$a=\frac{3}{5} g \sin \theta=0.6 g \sin 30^{\circ}=0.6 g \times \frac{1}{2}=0.3 g m$

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