Homework Help: phys

Posted by ayyashi on Wednesday, May 18, 2011 at 10:48am.

Find the acceleration due to gravity on a planet whose mass is four times the mass of Earth and whose radius is half the radius of Earth (g is the acceleration due to gravity on Earth).

physics - drwls, Wednesday, May 18, 2011 at 11:57am
Since g is proportional to M/R^2, the more massive and smaller planet would have a g value 16 times higher than Earth's.

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