Question

For a two-body collision, involving objects with different masses, a frame of reference which has the same velocity relative to the laboratory as does the center of mass of the two objects is:
A) a frame for which the momentum of the incident object is zero
B) a frame for which the momentum of the target object is zero
C) a frame for which the average momentum of the two objects is zero
D) a frame for which the total momentum of the two objects is zero
E) none of the above

Answer

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