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1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Two spherical bodies of mass $$M$$ and $$5M$$ & radii $$R$$ & $$2R$$ respectively are released in free space with initial separation between their centers equal to $$12R$$. If they attract each other due to gravitational force only, then the distance covered by the smaller body just before collision is
A
$$2.5$$ $$R$$
B
$$4.5$$ $$R$$
C
$$7.5$$ $$R$$
D
$$1.5$$ $$R$$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The kinetic energy needed to project a body of mass $$m$$ from the earth surface (radius $$R$$) to infinity is
A
$$mgR/2$$
B
$$2mgR$$
C
$$mgR$$
D
$$mgR/4$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
If suddenly the gravitational force of attraction between Earth and a satellite revolving around it becomes zero, then the satellite will
A
continue to move in its orbit with same velocity
B
move tangentially to the original orbit with the same velocity
C
become stationary in its orbit
D
move towards the earth
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The escape velocity of a body depends upon mass as
A
$${m^0}$$
B
$${m^1}$$
C
$${m^2}$$
D
$${m^3}$$
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