Asked by Stephanie

Planet X has the same mass as earth, but its radius is only half as big. How does the gravity on this planet compare with the gravity on our planet earth?
Answered by drwls
Hint: g at the surface is proportional to M/R^2.
M is the same for each.

Note the correct spelling of the subject
Answered by Stephanie
:) gremlins inhabit my keyboard!
Answered by Anonymous
dvdvdvd
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