- #1
H. Leone
- 5
- 0
Homework Statement
Consider two masses of variable magnitude (M m) that are separated by a distance ( r ). Both masses are free to move. Calculate dr/dt.
Homework Equations
(See below)
The Attempt at a Solution
F = GMm / r2
a = Gm / r2
let k = Gm
da/dr = -2kr-3
dr/da = (-2k)-1 r3
dr/da * da/dt = dr/dt
Just need to solve for da/dt and I don't know how to do that.