Homework Help: Physics

Posted by anne on Wednesday, May 18, 2011 at 11:17am.

An astronaut takes a space trip to newly discovered palnet X. measurements from earth indicate that: Mx=3Me and Rx=2Re. What is the acceleration of gracity gx on this planet as a multiple of ge?

Physics - drwls, Wednesday, May 18, 2011 at 12:45pm
(3/4) ge

because it is proportional to M/R^2

3/2^2 = 3/4

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