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A 5.40 g bullet is fired horizontally at two blocks resting on a smooth tabletop, as...

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Physics

A 5.40 g bullet is fired horizontally at two blocksresting on a smooth tabletop, as shown in the top figure. Thebullet passes through the first block, with mass 1.20 kg,and embeds itself in the second, with mass 1.80 kg. Speedsof 0.340 m/s and 1.07 m/s, respectively, arethereby imparted to the blocks, as shown in the bottom figure.Neglecting the mass removed from the first block by the bullet,find the speed of the bullet immediately after it emerges from thefirst block. Then find the bullets original speed.

Answer & Explanation Solved by verified expert
4.5 Ratings (917 Votes)
Work backwards to find the speed of the bullet before or as it strikes and embeds itself into the second block The law of conservation of    See Answer
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