Two Bodies with Masses M1 and M² Are Both Moving

question 19

Multiple Choice

Two bodies with masses m1 and m² are both moving east with velocities of magnitudes v1 and v2, where v1 is less than v2. The magnitude of the velocity of the centre of mass of this system of two bodies is:

• A)less than v1.
• B)equal to v1.
• C)equal to the average of v1 and v2.
• D)greater than v1 and less than v2.
• E)greater than v2.

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