A bullet of mass m and velocity v1 is fired into a large block of wood of mass M. The final velocity of the system is-
A. \(\frac{v_{1}}{m+\mathrm{M}}\)
B. \(\frac{m v_{1}}{m+\mathrm{M}}\)
C. \(\frac{m+m}{m} v_{1}\)
D. \(\frac{m+m}{m-M} v_{1}\)
Answer:B
A bullet of mass m and velocity v1 is fired into a large block of wood of mass M. The final velocity of the system is-
A. \(\frac{v_{1}}{m+\mathrm{M}}\) B. \(\frac{m v_{1}}{m+\mathrm{M}}\) C. \(\frac{m+m}{m} v_{1}\) D. \(\frac{m+m}{m-M} v_{1}\)