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Questions  

A spherical planet far out in space has a mass M0 and diameter  D0. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity which is equal to 

a
GM0/D02
b
4mGM0/D02
c
4GM0/D02
d
GmM0/D02

detailed solution

Correct option is C

g=GMR2=GM0(D0​/​2)2=4GM0D02

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