Two spheres are placed so that their centers are 2.6 meters apart. The force between the two spheres is 2.75x10^-12N What is the mass of each sphere if one sphere is twice the mass of the other sphere?

Answer 1

F=G2m/2.6^2 solve for m.

Answer 2

sorry...

F=G2M^2/2.6^2

Answer 3

0.28