Question

A 3.00-g bullet traveling horizontally at 400 m/s hits a 3.00-kg wooden block, which is initially at rest on a smooth horizontal table. The bullet buries itself in the block without passing through. The speed of the block after the collision is:
A) 1.33 m/s
B) 0.40 m/s
C) 12.0 m/s
D) 12.6 m/s
E) 40.0 m/s

Answer

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