The mass of a certain planet is six times the mass of the earth and the diameter of the planet is twice the diameter of the earth. Find the acceleration od gravity on the surface of this planet.

Question

The mass of a certain planet is six times the mass of the earth and the diameter of the planet is twice the diameter of the earth.  Find the acceleration od gravity on the surface of this planet.

HELP ME SOLVE! THANKS!

bobpursley · Answer

g is directly proportional to mass, and inversely proportional to distance squared. What is your thinking?