BobSheldon

hey Bumble, no idea what youre talking about, but if he is cheating on an assignment, why are you on this site looking at his answer? by default, your accusation implies that you also cheated on your homework. FAIL!

And the answer is still wrong, you have the wrong formula and forgot 9.81 as surface grav. Gr=R^2/R^2 * G Gr= (6378^2/6598^2) *9.81 Gr= 9 . 166 708 367 IDK about the percent thing