Huntress fires a bullet into a 3-kg wooden block resting on a smooth surface, and attached to a spring of spring constant 715. N/m. The bullet, whose mass is 7 g, remains embedded in the wooden block. She measures the maxumum distance that the block compresses the spring to be 4.50 cm. What is the speed of the bullet (in m/s)? (So the block is at equalibrium on a horizontal surface with a spriing attatched to the one side, which is then attatched to the wall. What equation am I able to use to find the speed of the bullet?)

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