# PHYSICS

The planet Trantor has triple the mass of Earth, but only twice Earth’s radius. Compute the acceleration due to gravity at the surface of Trantor

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1. g is proportional to M/R^2.

Tripling M while doubling R will multiply the Earth value of g by
3/(2^2) = 3/4.

Trantor's g value will be 9.81*(3/4) = 7.36 m/s^2

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