

MCQOPTIONS
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1. |
A bullet of mass a and velocity b is fired into a large block of wood of mass c, the final velocity of the system is |
A. | \[\frac{b}{c+b}\] |
B. | \[\frac{a+b}{c}a\] |
C. | \[\frac{a}{a+c}a\] |
D. | \[\frac{a+c}{a}b\] |
Answer» D. \[\frac{a+c}{a}b\] | |