 
			 
			MCQOPTIONS
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				| 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)/R2 | 
| B. | -(G*M)/R | 
| C. | -(G*M*m)/R | 
| D. | Zero | 
| Answer» E. | |