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, where v is its escape velocity from the surface of the Earth. The value of f is - VgyanHub

Question:

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 f_v, where v is its escape velocity from the surface of the Earth. The value of f is

Options :

(a) 1/3
(b) 1/2
(c) √2
(d) 1/√2

Answer :

(d) 1/√2

Answer Steps :

step 1

step 2

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