u can get more abt reduced mass
at http://en.wikipedia.org/wiki/Reduced_mass
wat is the relation between the acceleration of the reduced mass and center for mass for the system...
u can get more abt reduced mass
at http://en.wikipedia.org/wiki/Reduced_mass
A[com] = m1a1 + m2a2 / m1+m2
a [red mass] = (m1a1+m2a2)m1m2/ m1+m2
hence...
A (m1m2) = a
(i think.)
A[com] = m1a1 + m2a2 / m1+m2
a [red mass] = (m1a1+m2a2)(m1+m2)/m1m2
hence...
a = A(m1+m2)2/m1m2
(i think.)