A body is launched from the earth’s surface, of radius R, so that it just escapes from the gravitational influence of the earth; If the gravitational constant is G and the mass of the earth is M, what is the escape velocity of the boby.
-
A.
(sqrt{2GM}) ÷ R -
B.
(frac{sqrt{2GM}}{R}) -
C.
(frac{sqrt{2G}}{MR}) -
D.
(sqrt{2GMR}) -
E.
(frac{sqrt{R}}{2GM})