A bullet (m = 10 g) flies horizontally with an initial speed of v = 500...

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Physics

A bullet (m = 10 g) flies horizontally with an initial speed ofv = 500 m/s and then embeds itself in a block of wood (m = 400 g)that is at rest on a flat surface. The surface has a coefficient ofkinetic friction μk = 0.4. After the impact, how far does the blockof wood slide?

(a) 40 m (b) 800 m (c) 8 m (d) 80 m (e) 20 m

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4.2 Ratings (819 Votes)
According to the momentum conservation the momentum of thebullet moving with a velocity v before the embedding is equal tothe momentum of    See Answer
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