Asked by naveen

Find the radius of a spherical asteroid that has a density of 4600 kg/m3 and an acceleration due to gravity of 0.11 m/s2 at the surface.
km

Answers

Answered by Steve
F = GMm/r^2 = ma, so
a = GM/r^2
r^2 = GM/a

You have M and a, and can find G. So, plug and chug.
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