1.

A bullet of mass a and velocity b is fired into a large block of mass c. The final velocity of the system is [AFMC 1981, 94, 2000; NCERT 1971; MNR 1998]

A. \[\frac{c}{a+b}\cdot b\]
B. \[\frac{a}{a+c}\cdot b\]
C. \[\frac{a+b}{c}.a\]
D. \[\frac{a+c}{a}\cdot b\]
Answer» C. \[\frac{a+b}{c}.a\]


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