Two planets have masses
and
and their radii are
and
, respectively. The separation between the centres of the planets is
a.
body of mass
is fired from the surface of the larger planet towards the smaller planet along the line joining their centres. For the body to be able to reach the surface of smaller planet, the minimum firing speed needed is
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2020
Velocity should be given so as to reach a point where field is zero.


By CoE


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