7-2 TWO-particle system Do an experiment to find cm in a two-particle system As an example we consider a baton consists of two particles m, m, at its ends a and B connected by a thin rigid rod of fixed length and negligible mass B7-2 Two-particle system As an example, we consider a baton consists of two particles , at its ends A and B, connected by a thin rigid rod of fixed length and negligible mass. m2 = 2m1 m1 m2 m1 m2 A B Do an experiment to find CM in a two-particle system