1
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
$$mgR/4$$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Energy required to move a body of mass $$m$$ from an orbit of radius $$2R$$ to $$3R$$ is
A
$${{GMm} \over {12{R^2}}}$$
B
$${{GMm} \over {3{R^2}}}$$
C
$${{GMm} \over {8R}}$$
D
$${{GMm} \over {6R}}$$
3
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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