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Solution: Let there be two planets X and Y with masses M X and MY . Th...

Question

Let there be two planets X and Y with masses M X and MY . The radius of planet X is twice that of planet Y. If an object weighs 4 times as much on the surface of planet X as it does on the surface of planet Y, then MX/MY is given by

A. 1/8 

B. 16 

C. 1/4 

D. 8 

E. 1 

F. 1/16 

G. 1/2 

H. 2 

I. 4