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1. |
A bullet of mass 20 gm is fired from a rifle of mass 8 kg with a velocity of 100 m/s. The velocity of recoil of the rifle is: |
A. | 250 m/s |
B. | 2.5 m/s |
C. | 25 m/s |
D. | 0.25 m/s |
Answer» E. | |