1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Initial angular velocity of a circular disc of mass $$M$$ is $${\omega _1}.$$ Then two small spheres of mass $$m$$ are attached gently to diametrically opposite points on the edge of the disc. What is the final angular velocity of the disc?
A
$$\left( {{{M + m} \over M}} \right)\,\,{\omega _1}$$
B
$$\left( {{{M + m} \over m}} \right)\,\,{\omega _1}$$
C
$$\left( {{M \over {M + 4m}}} \right)\,\,{\omega _1}$$
D
$$\left( {{M \over {M + 2m}}} \right)\,\,{\omega _1}$$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A solid sphere, a hollow sphere and a ring are released from top of an inclined plane (frictionless) so that they slide down the plane. Then maximum acceleration down the plane is for (no rolling)
A
solid sphere
B
hollow sphere
C
ring
D
all same
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A particle of mass $$m$$ moves along line PC with velocity $$v$$ as shown. What is the angular momentum of the particle about P? AIEEE 2002 Physics - Rotational Motion Question 200 English
A
$$mvL$$
B
$$mvl$$
C
$$mvr$$
D
zero
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Moment of inertia of a circular wire of mass $$M$$ and radius $$R$$ about its diameter is
A
$${{M{R^2}} \over 2}$$
B
$$M{R^2}$$
C
$$2M{R^2}$$
D
$${{M{R^2}} \over 4}$$
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