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A bullet of mass 0.118 kg traveling horizontally at a speed of 409 m/s embeds itself in a block of mass 4 kg that is sitting at rest on a nearly frictionless surface. What is the speed of the block after the bullet embeds itself in the block?
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A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?
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