The moon is a satellite that orbits the earth at a radius of 3.85 × 108 m. The mass of the earth is 5.98 × 1024 kg. What is the orbital speed of the moon?

Answer 1

Gravity=centripetal force

GmMe/r^2=m v^2/r

v^2=GMe/r r is the orbital radius, solve for v

Answer 2

1036015.58 m/s