The height at which the acceleration due to gravity becomes g/9 (where g= the acceleration due to gravity on the surface of the earth) in terms of R, the radius of the earth, is:

Gravitation: JEE Main 2009 Physics question

JEE Main 2009 · Annual, Paper 1 · Q7131

JEE Main 2009Annual, Paper 1PhysicsMediumGravitation159× since 2002

The height at which the acceleration due to gravity becomes

{g \over 9}

(where

g=

the acceleration due to gravity on the surface of the earth) in terms of

R,

the radius of the earth, is: