Question

A block of wood of mass 0.91 kg is initially at rest. A bullet of mass 0.047 kg traveling at 104.7 m/s strikes the block and becomes embedded in it. With what speed do the block of wood and the bullet move just after the collision?

Answer 1

Use the conservation of momentum.

Massbullet*veloctiybullet=(combinedmass)newveloctiy

Answer 2

5.14m/s

Answer 3

is my answer correct