physics

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An object rests on the surface of planet y. Its mass is unknown. Find the acceleration due to gravity near the surface of planet y. Answer in m/s/s.
G=6.673x10^-23
radius of planet y=2439700m
mass of planet y=3.302x10^23kg
radius of planet x=71492000m
mass of planet x=1.89x10^27kg

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