1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A cylinder of height $$20$$ $$m$$ is completely filled with water. The velocity of efflux of water (in $$m{s^{ - 1}}$$) through a small hole on the side wall of the cylinder near its bottom is
A
$$10$$
B
$$20$$
C
$$25.5$$
D
$$5$$
2
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
$$\left( {{M \over {M + 2m}}} \right)\,\,{\omega _1}$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Two identical particles move towards each other with velocity $$2v$$ and $$v$$ respectively. The velocity of center of mass is
A
$$v$$
B
$$v/3$$
C
$$v/2$$
D
zero
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The minimum velocity (in $$m{s^{ - 1}}$$) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction $$0.6$$ to avoid skidding is
A
$$60$$
B
$$30$$
C
$$15$$
D
$$25$$
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