1.

Conventionally, the magnitude of gravitational potential energy for an object at infinity from the earth is _____ ((M = Mass of the earth; m = Mass of the object at infinity; R = Radius of the earth).

A. -(G*M)/R<sup>2</sup>
B. -(G*M)/R
C. -(G*M*m)/R
D. Zero
Answer» E.


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