Physics 220: Work sheet on center of mass

3 particles have positions and masses given by:

m1 = 1 kg, m2 = 2 kg, m3 = 1.5 kg,

Find the CM of the particles.

The particles' velocities are:

Find the velocity of the CM.

Find the velocity of each particle in the CM frame.


Find the total momentum of the system in the CM frame: