The masses and radii of the earth and moon are 
and 
respectively. Their centers are distance d apart. The minimum velocity with which a particle of mass m should be projected from a point midway between their centers so that it escapes to infinity is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Gravitational potential at mid-point
Now, 
[m = mass of particle]
So, for projecting particle from mid-point to infinity
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