The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from
Channel: Doubtnut
Date: 2021-11-10

The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The escape velocity of a body from this platform is `fv_(e)`, where `v_(e)` is its escape velocity from the surface of the earth. Find the value of `f`.