I'm sorry there should actually be a - inbetween the radius and G not a *. Thanks for taking the time to reply though.
r_n_+_1 = r_n- \frac{Mv^2}{r_n}-\frac{GP}{r_n^2}
(I stole your LaTex by the way:biggrin:)
Homework Statement
If a projectile orbits around a planet and lands after x cycles of the equation:
radius[n+1] = radius[n] - (M* v^2 / radius[n]*G*P/radius[n]^2)
at a final radius of C. What is the necessary v?
The only variable that isn't known at the time of solving is v...