Which of the following is the variation of acceleration due to gravity at a height h above the earth s surface? Let R be the radius of the earth and M1 the mass of earth.

Which of the following is the variation of acceleration due to gravity

1.	Which of the following is the variation of acceleration due to gravity at a height h above the earth s surface? Let R be the radius of the earth and M1 the mass of earth.
A.	g = (G*M1)/R<sup>2</sup>
B.	g = (G*M1)/h<sup>2</sup>
C.	g = (G*M1)/(R + h)<sup>2</sup>
D.	g = (G*M1)/(h/R)<sup>2</sup>
Answer» D. g = (G*M1)/(h/R)<sup>2</sup>

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