Answer to Question #78330 in Mechanics | Relativity for Prerana

Question

Determine
the centre of mass and the reduced mass of
the earth moon system.

Answer 1

r= m2*R/(m1+m2)=0.0735*10^24 * 384.467*10^6/ (5.976*10^24+0.0735*10^24)=4672*10^3 metres

Answer: The center of mass is inside the earth at a distance 4672000 metres from its center.