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JEE Main Physics Class 11 Gravitation Part 1 Questions
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© examsnet.com
Question : 54
Total: 100
A satellite of mass M is in a circular orbit of radius R about the centre of the earth. A meteorite of the same mass, falling towards the earth collides with the satellite completely in elastically. The speeds of the satellite and the meteorite are the same, Just before the collision. The subsequent motion of the combined body will be
[12 Jan. 2019 I]
such that it escape to infinity
In an elliptical orbit
in the same circular orbit of radius R
in a circular orbit of a different radius
Validate
Solution:
m
v
^
i
+
m
v
^
j
=
2
m
→
v
⇒
→
v
=
v
2
^
i
+
v
2
^
j
⇒
→
v
=
√
(
v
2
)
2
+
(
v
2
)
2
=
v
√
2
=
1
√
2
×
√
G
M
R
© examsnet.com
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