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1. |
A mass of 4 kg moving at 3 m/s collides with a mass of 6 kg moving at 2 m/s in the opposite direction and they stick together. The combined mass has velocity of: |
A. | 5.6 m/s |
B. | 2.4 m/s |
C. | 4.8 m/s |
D. | Zero |
Answer» E. | |