Use these values in your computations, and don't round off!
Radius of Earth Re = 6.37 x 10^(6) m Mass of Earth Me = 5.98 x 10^(24) kg Mass of bullet m = 1.00 kg Grav constant G = 6.67 x 10^(-11) N*m^2/kg^2 R1 R2 gained GPE (J) initial speed (m/s) ---------------------------------------------------------------------- 1 Earth radius 2 Earth radii 1 11 1 101 1 1,001 1 10,001 1 100,001 1 1,000,001 ----------------------------------------------------------------------