1. The problem statement, all variables and given/known data What is the acceleration due to gravity at an altitude of 1.00 x 10^6 above the earth's surface, given that the radius of the earth is 6.38 x 10^6 m? 2. Relevant equations Using g = GMm/r^2 Fc = mv^2/r 3. The attempt at a solution Fc = mv^2/r How can I solve this equation if I am missing m and v?