If the acceleration due to gravity is 12.6 m/s2 on a planet of 1/7th the mass of earth, then what must be its radius as compared to 'R', the radius of the earth?

If the acceleration due to gravity is 12.6 m/s2 on a planet of 1/7th t

1.	If the acceleration due to gravity is 12.6 m/s2 on a planet of 1/7th the mass of earth, then what must be its radius as compared to 'R', the radius of the earth?
A.	R/2
B.	R/3
C.	3R/2
D.	2R/3
Answer» C. 3R/2

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If the acceleration due to gravity is 12.6 m/s2 on a planet of 1/7th the mass of earth, then what must be its radius as compared to 'R', the radius of the earth?

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