A body has four times the mass of the Earth but its radius is two times larger. What is the acceleration of gravity on the surface of this planet? If you were on this planet, should you be able to jump (on average) farther distances, shorter distances or the same distances as compared to Earth?

asked by Gail
  1. g would be the same because M/R^2 is the same.

    You would be able to jump the same distance, assuming you didn't have to wear a space suit. It's hard to jump in one of those contraptions.

    posted by drwls

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