Questions
A body is revolving very close to the surface of the planet. When mass of the planet suddenly reduced to half without any change in radius then
a
Body falls on to the surface of the planet
b
Body escape from planet
c
Continue to move in the same orbit
d
it will move to an higher orbit
detailed solution
Correct option is B
present orbital velocity is GMR if mass of the planet becomes M2the orbital velocity suppose to be GM2Rbut the present velocity is 2 times more than this so it will escape as ve=2voTalk to our academic expert!
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