Two satellites 
and 
revolve round the same planet in coplanar circular orbits lying in the same plane. Their periods of revolutions are 1 h and 8 h, respectively. The radius of the orbit of 
is 
. The speed of 
relative to 
, when they are close in 
is
A
B
zero
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Given, 
and 
From Kepler's law, 
Speed of satellite 
Speed of satellite 
The speed of 
relative to 
when they are close,
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