1.

A bullet of mass 0.1 kg ks fired with a speed of 100 m/s, the mass of gun 50 kg. The velocity of recoil is

A.  0.2 m/s               
B.  0.1 m/s
C.  0.5 m/s                               
D.  0.05 m/s
Answer» B.  0.1 m/s


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