

MCQOPTIONS
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1. |
A sphere of mass 2kg strikes another sphere of mass 3 kg at rest with a velocity of 5 m/s. if they move together after collision. What is their common velocity? |
A. | 5 m/s |
B. | 6 m/s |
C. | 1 m/s |
D. | 2 m/s |
Answer» E. | |