Problem: How High No non-conservative and we know forces W NC 0 △K=-△AU MAX .m MAX mvs=GMm MAX Physics 121: Lecture 15, Pg 3Physics 121: Lecture 15, Pg 3 Problem: How High... No non-conservative forces: WNC = 0 K = -U RMAX v0 m hMAX And we know: RE M       = − E MAX 2 0 R 1 R 1 mv GMm 2 1