Physics

Problem

12\,\text{g}

bullet traveling

500\,\text{m/s}

horizontally embeds in a

1.5\,\text{kg}

block that is initially at rest on a frictionless horizontal surface. What is the speed of the bullet–block combination immediately after the collision? a)

0.40\,\text{m/s}

4.0\,\text{m/s}

3.3\,\text{m/s}

4.5\times10^{1}\,\text{m/s}

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