Problem: How High? a projectile of mass m is launched straight up from the surface of the earth with initial speed vo. What is the maximum distance from the center of the earth RMAx it reaches before falling back down MAX .m Physics 121: Lecture 15, Pg 2Physics 121: Lecture 15, Pg 2 Problem: How High? A projectile of mass m is launched straight up from the surface of the earth with initial speed v0 . What is the maximum distance from the center of the earth RMAX it reaches before falling back down. RMAX RE v0 m M