AP EAPCET 2024 - 22th May Morning Shift | Rotational Motion Question 6 | Physics

A uniform rod of length $2 L$ is placed with one end in contact with the earth and is then inclined at an angle $\alpha$ to the horizontal and allowed to fall without slipping at contact point. When it becomes horizontal, its angular velocity will be

$\sqrt{\frac{3 g \sin \alpha}{2 L}}$

$\sqrt{\frac{2 L}{3 g \sin \alpha}}$

$\sqrt{\frac{6 g \sin \alpha}{L}}$

$\sqrt{\frac{L}{g \sin \alpha}}$

AP EAPCET 2024 - 21th May Evening Shift

MCQ (Single Correct Answer)

-0

A solid cylinder rolls down on an inclined plane of height $h$ and inclination $\theta$. The speed of the cylinder at the bottom is

$\sqrt{\frac{g h}{2}}$

$\sqrt{\frac{3 g h}{2}}$

$\sqrt{2 g h}$

$\sqrt{\frac{4 g h}{3}}$

AP EAPCET 2024 - 21th May Evening Shift

MCQ (Single Correct Answer)

-0

Three particles of each mass $m$ are kept at the three vertices of an equilateral triangle of side $l$. The moment of inertia of a system of the particles about any side of the triangle is

$\frac{m l^2}{4}$

$m l^2$

$\frac{3}{4} m l^2$

$\frac{2}{3} m l^2$

AP EAPCET 2024 - 21th May Morning Shift

MCQ (Single Correct Answer)

-0

The masses of a solid cylinder and hollow cylinder ate 3.2 kg and 1.6 kg respectively. Both the solid and hollow cylinders start from rest from the top of an inclined plane and roll down without slipping. If both the cylinder have equal radius and the acceleration of solid cylinder is $4 \mathrm{~ms}^{-1}$, the acceleration of hollow cylinder is

$2 \mathrm{~ms}^{-2}$

$9 \mathrm{~ms}^{-2}$

$6 \mathrm{~ms}^{-2}$

$3 \mathrm{~ms}^{-2}$

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